Home / 81,545.06-122,400.52-56,246.33

Finding the Fourth Proportional to 81,545.06, 122,400.52 and 56,246.33

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Solution

The fourth proportional to 81,545.06, 122,400.52 and 56,246.33 is: 84,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,545.06 : 122,400.52 = 56,246.33 : x
  2. Step 2: Convert to fraction form
    81,545.06/122,400.52 = 56,246.33/x
  3. Step 3: Cross multiply
    81,545.06x = 122,400.52 × 56,246.33
  4. Step 4: Simplify right side
    81,545.06x = 6,884,580,205.48
  5. Step 5: Solve for x
    x = 6,884,580,205.48/81,545.06
  6. Step 6: Final answer
    x = 84,426.70

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1.5x scale

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.