Home / 64,127.14-88,520.13-57,400.90

Finding the Fourth Proportional to 64,127.14, 88,520.13 and 57,400.90

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Solution

The fourth proportional to 64,127.14, 88,520.13 and 57,400.90 is: 79,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,127.14 : 88,520.13 = 57,400.90 : x
  2. Step 2: Convert to fraction form
    64,127.14/88,520.13 = 57,400.90/x
  3. Step 3: Cross multiply
    64,127.14x = 88,520.13 × 57,400.90
  4. Step 4: Simplify right side
    64,127.14x = 5,081,135,130.12
  5. Step 5: Solve for x
    x = 5,081,135,130.12/64,127.14
  6. Step 6: Final answer
    x = 79,235.33

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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.