Home / 70,985.50-106,455.20-23,587.86

Finding the Fourth Proportional to 70,985.50, 106,455.20 and 23,587.86

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Solution

The fourth proportional to 70,985.50, 106,455.20 and 23,587.86 is: 35,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985.50 : 106,455.20 = 23,587.86 : x
  2. Step 2: Convert to fraction form
    70,985.50/106,455.20 = 23,587.86/x
  3. Step 3: Cross multiply
    70,985.50x = 106,455.20 × 23,587.86
  4. Step 4: Simplify right side
    70,985.50x = 2,511,050,353.87
  5. Step 5: Solve for x
    x = 2,511,050,353.87/70,985.50
  6. Step 6: Final answer
    x = 35,374.13

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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.