Home / 72,505.10-100,010.96-52,391.52

Finding the Fourth Proportional to 72,505.10, 100,010.96 and 52,391.52

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Solution

The fourth proportional to 72,505.10, 100,010.96 and 52,391.52 is: 72,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505.10 : 100,010.96 = 52,391.52 : x
  2. Step 2: Convert to fraction form
    72,505.10/100,010.96 = 52,391.52/x
  3. Step 3: Cross multiply
    72,505.10x = 100,010.96 × 52,391.52
  4. Step 4: Simplify right side
    72,505.10x = 5,239,726,211.06
  5. Step 5: Solve for x
    x = 5,239,726,211.06/72,505.10
  6. Step 6: Final answer
    x = 72,267.00

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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.