Home / 47,901.50-66,106.09-26,680.76

Finding the Fourth Proportional to 47,901.50, 66,106.09 and 26,680.76

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Solution

The fourth proportional to 47,901.50, 66,106.09 and 26,680.76 is: 36,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,901.50 : 66,106.09 = 26,680.76 : x
  2. Step 2: Convert to fraction form
    47,901.50/66,106.09 = 26,680.76/x
  3. Step 3: Cross multiply
    47,901.50x = 66,106.09 × 26,680.76
  4. Step 4: Simplify right side
    47,901.50x = 1,763,760,721.83
  5. Step 5: Solve for x
    x = 1,763,760,721.83/47,901.50
  6. Step 6: Final answer
    x = 36,820.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.