Home / 67,913.54-93,752.08-40,702.55

Finding the Fourth Proportional to 67,913.54, 93,752.08 and 40,702.55

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Solution

The fourth proportional to 67,913.54, 93,752.08 and 40,702.55 is: 56,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,913.54 : 93,752.08 = 40,702.55 : x
  2. Step 2: Convert to fraction form
    67,913.54/93,752.08 = 40,702.55/x
  3. Step 3: Cross multiply
    67,913.54x = 93,752.08 × 40,702.55
  4. Step 4: Simplify right side
    67,913.54x = 3,815,948,909.59
  5. Step 5: Solve for x
    x = 3,815,948,909.59/67,913.54
  6. Step 6: Final answer
    x = 56,188.34

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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.