Home / 94,022.40-129,750.14-51,001.78

Finding the Fourth Proportional to 94,022.40, 129,750.14 and 51,001.78

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Solution

The fourth proportional to 94,022.40, 129,750.14 and 51,001.78 is: 70,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,022.40 : 129,750.14 = 51,001.78 : x
  2. Step 2: Convert to fraction form
    94,022.40/129,750.14 = 51,001.78/x
  3. Step 3: Cross multiply
    94,022.40x = 129,750.14 × 51,001.78
  4. Step 4: Simplify right side
    94,022.40x = 6,617,488,276.93
  5. Step 5: Solve for x
    x = 6,617,488,276.93/94,022.40
  6. Step 6: Final answer
    x = 70,382.04

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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.