Home / 51,079.17-70,489.90-28,111.63

Finding the Fourth Proportional to 51,079.17, 70,489.90 and 28,111.63

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Solution

The fourth proportional to 51,079.17, 70,489.90 and 28,111.63 is: 38,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.17 : 70,489.90 = 28,111.63 : x
  2. Step 2: Convert to fraction form
    51,079.17/70,489.90 = 28,111.63/x
  3. Step 3: Cross multiply
    51,079.17x = 70,489.90 × 28,111.63
  4. Step 4: Simplify right side
    51,079.17x = 1,981,586,005.37
  5. Step 5: Solve for x
    x = 1,981,586,005.37/51,079.17
  6. Step 6: Final answer
    x = 38,794.41

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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.