Home / 72,602.04-100,114.86-57,470.52

Finding the Fourth Proportional to 72,602.04, 100,114.86 and 57,470.52

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Solution

The fourth proportional to 72,602.04, 100,114.86 and 57,470.52 is: 79,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,602.04 : 100,114.86 = 57,470.52 : x
  2. Step 2: Convert to fraction form
    72,602.04/100,114.86 = 57,470.52/x
  3. Step 3: Cross multiply
    72,602.04x = 100,114.86 × 57,470.52
  4. Step 4: Simplify right side
    72,602.04x = 5,753,653,063.93
  5. Step 5: Solve for x
    x = 5,753,653,063.93/72,602.04
  6. Step 6: Final answer
    x = 79,249.19

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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.