Home / 115,770.10-173,655.15-36,890.10

Finding the Fourth Proportional to 115,770.10, 173,655.15 and 36,890.10

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Solution

The fourth proportional to 115,770.10, 173,655.15 and 36,890.10 is: 55,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,770.10 : 173,655.15 = 36,890.10 : x
  2. Step 2: Convert to fraction form
    115,770.10/173,655.15 = 36,890.10/x
  3. Step 3: Cross multiply
    115,770.10x = 173,655.15 × 36,890.10
  4. Step 4: Simplify right side
    115,770.10x = 6,406,155,849.02
  5. Step 5: Solve for x
    x = 6,406,155,849.02/115,770.10
  6. Step 6: Final answer
    x = 55,335.15

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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.