Home / 73,200.15-109,636.20-58,437.90

Finding the Fourth Proportional to 73,200.15, 109,636.20 and 58,437.90

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Solution

The fourth proportional to 73,200.15, 109,636.20 and 58,437.90 is: 87,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.15 : 109,636.20 = 58,437.90 : x
  2. Step 2: Convert to fraction form
    73,200.15/109,636.20 = 58,437.90/x
  3. Step 3: Cross multiply
    73,200.15x = 109,636.20 × 58,437.90
  4. Step 4: Simplify right side
    73,200.15x = 6,406,909,291.98
  5. Step 5: Solve for x
    x = 6,406,909,291.98/73,200.15
  6. Step 6: Final answer
    x = 87,525.90

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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.