Home / 55,545.95-76,648.47-32,885.66

Finding the Fourth Proportional to 55,545.95, 76,648.47 and 32,885.66

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Solution

The fourth proportional to 55,545.95, 76,648.47 and 32,885.66 is: 45,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.95 : 76,648.47 = 32,885.66 : x
  2. Step 2: Convert to fraction form
    55,545.95/76,648.47 = 32,885.66/x
  3. Step 3: Cross multiply
    55,545.95x = 76,648.47 × 32,885.66
  4. Step 4: Simplify right side
    55,545.95x = 2,520,635,523.94
  5. Step 5: Solve for x
    x = 2,520,635,523.94/55,545.95
  6. Step 6: Final answer
    x = 45,379.29

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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.