Home / 61,545.12-92,280.77-28,223.44

Finding the Fourth Proportional to 61,545.12, 92,280.77 and 28,223.44

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Solution

The fourth proportional to 61,545.12, 92,280.77 and 28,223.44 is: 42,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.12 : 92,280.77 = 28,223.44 : x
  2. Step 2: Convert to fraction form
    61,545.12/92,280.77 = 28,223.44/x
  3. Step 3: Cross multiply
    61,545.12x = 92,280.77 × 28,223.44
  4. Step 4: Simplify right side
    61,545.12x = 2,604,480,775.25
  5. Step 5: Solve for x
    x = 2,604,480,775.25/61,545.12
  6. Step 6: Final answer
    x = 42,318.23

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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.