Home / 82,430.10-123,677.55-32,501.70

Finding the Fourth Proportional to 82,430.10, 123,677.55 and 32,501.70

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Solution

The fourth proportional to 82,430.10, 123,677.55 and 32,501.70 is: 48,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.10 : 123,677.55 = 32,501.70 : x
  2. Step 2: Convert to fraction form
    82,430.10/123,677.55 = 32,501.70/x
  3. Step 3: Cross multiply
    82,430.10x = 123,677.55 × 32,501.70
  4. Step 4: Simplify right side
    82,430.10x = 4,019,730,626.84
  5. Step 5: Solve for x
    x = 4,019,730,626.84/82,430.10
  6. Step 6: Final answer
    x = 48,765.33

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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.