Home / 68,937.11-95,130.75-42,124.49

Finding the Fourth Proportional to 68,937.11, 95,130.75 and 42,124.49

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Solution

The fourth proportional to 68,937.11, 95,130.75 and 42,124.49 is: 58,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,937.11 : 95,130.75 = 42,124.49 : x
  2. Step 2: Convert to fraction form
    68,937.11/95,130.75 = 42,124.49/x
  3. Step 3: Cross multiply
    68,937.11x = 95,130.75 × 42,124.49
  4. Step 4: Simplify right side
    68,937.11x = 4,007,334,366.12
  5. Step 5: Solve for x
    x = 4,007,334,366.12/68,937.11
  6. Step 6: Final answer
    x = 58,130.29

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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.