Home / 89,735.60-134,603.40-52,337.90

Finding the Fourth Proportional to 89,735.60, 134,603.40 and 52,337.90

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Solution

The fourth proportional to 89,735.60, 134,603.40 and 52,337.90 is: 78,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.60 : 134,603.40 = 52,337.90 : x
  2. Step 2: Convert to fraction form
    89,735.60/134,603.40 = 52,337.90/x
  3. Step 3: Cross multiply
    89,735.60x = 134,603.40 × 52,337.90
  4. Step 4: Simplify right side
    89,735.60x = 7,044,859,288.86
  5. Step 5: Solve for x
    x = 7,044,859,288.86/89,735.60
  6. Step 6: Final answer
    x = 78,506.85

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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.