Home / 94,022.91-129,760.49-53,728.91

Finding the Fourth Proportional to 94,022.91, 129,760.49 and 53,728.91

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Solution

The fourth proportional to 94,022.91, 129,760.49 and 53,728.91 is: 74,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,022.91 : 129,760.49 = 53,728.91 : x
  2. Step 2: Convert to fraction form
    94,022.91/129,760.49 = 53,728.91/x
  3. Step 3: Cross multiply
    94,022.91x = 129,760.49 × 53,728.91
  4. Step 4: Simplify right side
    94,022.91x = 6,971,889,688.77
  5. Step 5: Solve for x
    x = 6,971,889,688.77/94,022.91
  6. Step 6: Final answer
    x = 74,150.97

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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.