Home / 94,057.52-129,772.80-53,756.72

Finding the Fourth Proportional to 94,057.52, 129,772.80 and 53,756.72

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Solution

The fourth proportional to 94,057.52, 129,772.80 and 53,756.72 is: 74,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,057.52 : 129,772.80 = 53,756.72 : x
  2. Step 2: Convert to fraction form
    94,057.52/129,772.80 = 53,756.72/x
  3. Step 3: Cross multiply
    94,057.52x = 129,772.80 × 53,756.72
  4. Step 4: Simplify right side
    94,057.52x = 6,976,160,073.22
  5. Step 5: Solve for x
    x = 6,976,160,073.22/94,057.52
  6. Step 6: Final answer
    x = 74,169.08

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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.