Home / 70,313.76-96,988.20-49,085.28

Finding the Fourth Proportional to 70,313.76, 96,988.20 and 49,085.28

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Solution

The fourth proportional to 70,313.76, 96,988.20 and 49,085.28 is: 67,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,313.76 : 96,988.20 = 49,085.28 : x
  2. Step 2: Convert to fraction form
    70,313.76/96,988.20 = 49,085.28/x
  3. Step 3: Cross multiply
    70,313.76x = 96,988.20 × 49,085.28
  4. Step 4: Simplify right side
    70,313.76x = 4,760,692,953.70
  5. Step 5: Solve for x
    x = 4,760,692,953.70/70,313.76
  6. Step 6: Final answer
    x = 67,706.42

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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.