Home / 67,895.21-93,691.02-42,400.04

Finding the Fourth Proportional to 67,895.21, 93,691.02 and 42,400.04

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Solution

The fourth proportional to 67,895.21, 93,691.02 and 42,400.04 is: 58,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,895.21 : 93,691.02 = 42,400.04 : x
  2. Step 2: Convert to fraction form
    67,895.21/93,691.02 = 42,400.04/x
  3. Step 3: Cross multiply
    67,895.21x = 93,691.02 × 42,400.04
  4. Step 4: Simplify right side
    67,895.21x = 3,972,502,995.64
  5. Step 5: Solve for x
    x = 3,972,502,995.64/67,895.21
  6. Step 6: Final answer
    x = 58,509.33

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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.