Home / 56,917.23-78,545.66-31,766.73

Finding the Fourth Proportional to 56,917.23, 78,545.66 and 31,766.73

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Solution

The fourth proportional to 56,917.23, 78,545.66 and 31,766.73 is: 43,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.23 : 78,545.66 = 31,766.73 : x
  2. Step 2: Convert to fraction form
    56,917.23/78,545.66 = 31,766.73/x
  3. Step 3: Cross multiply
    56,917.23x = 78,545.66 × 31,766.73
  4. Step 4: Simplify right side
    56,917.23x = 2,495,138,615.06
  5. Step 5: Solve for x
    x = 2,495,138,615.06/56,917.23
  6. Step 6: Final answer
    x = 43,838.02

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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.