Home / 102,334.71-141,232.28-57,020.07

Finding the Fourth Proportional to 102,334.71, 141,232.28 and 57,020.07

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Solution

The fourth proportional to 102,334.71, 141,232.28 and 57,020.07 is: 78,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.71 : 141,232.28 = 57,020.07 : x
  2. Step 2: Convert to fraction form
    102,334.71/141,232.28 = 57,020.07/x
  3. Step 3: Cross multiply
    102,334.71x = 141,232.28 × 57,020.07
  4. Step 4: Simplify right side
    102,334.71x = 8,053,074,491.86
  5. Step 5: Solve for x
    x = 8,053,074,491.86/102,334.71
  6. Step 6: Final answer
    x = 78,693.48

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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.