Home / 75,468.52-113,153.10-42,237.64

Finding the Fourth Proportional to 75,468.52, 113,153.10 and 42,237.64

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Solution

The fourth proportional to 75,468.52, 113,153.10 and 42,237.64 is: 63,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,468.52 : 113,153.10 = 42,237.64 : x
  2. Step 2: Convert to fraction form
    75,468.52/113,153.10 = 42,237.64/x
  3. Step 3: Cross multiply
    75,468.52x = 113,153.10 × 42,237.64
  4. Step 4: Simplify right side
    75,468.52x = 4,779,319,902.68
  5. Step 5: Solve for x
    x = 4,779,319,902.68/75,468.52
  6. Step 6: Final answer
    x = 63,328.66

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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.