Home / 76,545.72-105,634.85-42,552.90

Finding the Fourth Proportional to 76,545.72, 105,634.85 and 42,552.90

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Solution

The fourth proportional to 76,545.72, 105,634.85 and 42,552.90 is: 58,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,545.72 : 105,634.85 = 42,552.90 : x
  2. Step 2: Convert to fraction form
    76,545.72/105,634.85 = 42,552.90/x
  3. Step 3: Cross multiply
    76,545.72x = 105,634.85 × 42,552.90
  4. Step 4: Simplify right side
    76,545.72x = 4,495,069,208.57
  5. Step 5: Solve for x
    x = 4,495,069,208.57/76,545.72
  6. Step 6: Final answer
    x = 58,723.98

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1.5x scale

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.