Home / 68,534.91-102,656.57-38,937.51

Finding the Fourth Proportional to 68,534.91, 102,656.57 and 38,937.51

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Solution

The fourth proportional to 68,534.91, 102,656.57 and 38,937.51 is: 58,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,534.91 : 102,656.57 = 38,937.51 : x
  2. Step 2: Convert to fraction form
    68,534.91/102,656.57 = 38,937.51/x
  3. Step 3: Cross multiply
    68,534.91x = 102,656.57 × 38,937.51
  4. Step 4: Simplify right side
    68,534.91x = 3,997,191,026.25
  5. Step 5: Solve for x
    x = 3,997,191,026.25/68,534.91
  6. Step 6: Final answer
    x = 58,323.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.