Home / 74,876.52-112,319.28-22,281.60

Finding the Fourth Proportional to 74,876.52, 112,319.28 and 22,281.60

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Solution

The fourth proportional to 74,876.52, 112,319.28 and 22,281.60 is: 33,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876.52 : 112,319.28 = 22,281.60 : x
  2. Step 2: Convert to fraction form
    74,876.52/112,319.28 = 22,281.60/x
  3. Step 3: Cross multiply
    74,876.52x = 112,319.28 × 22,281.60
  4. Step 4: Simplify right side
    74,876.52x = 2,502,653,269.25
  5. Step 5: Solve for x
    x = 2,502,653,269.25/74,876.52
  6. Step 6: Final answer
    x = 33,423.74

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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.