Home / 59,132.75-81,603.20-40,302.77

Finding the Fourth Proportional to 59,132.75, 81,603.20 and 40,302.77

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Solution

The fourth proportional to 59,132.75, 81,603.20 and 40,302.77 is: 55,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,132.75 : 81,603.20 = 40,302.77 : x
  2. Step 2: Convert to fraction form
    59,132.75/81,603.20 = 40,302.77/x
  3. Step 3: Cross multiply
    59,132.75x = 81,603.20 × 40,302.77
  4. Step 4: Simplify right side
    59,132.75x = 3,288,835,000.86
  5. Step 5: Solve for x
    x = 3,288,835,000.86/59,132.75
  6. Step 6: Final answer
    x = 55,617.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.