Home / 109,545.61-164,312.26-38,471.52

Finding the Fourth Proportional to 109,545.61, 164,312.26 and 38,471.52

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Solution

The fourth proportional to 109,545.61, 164,312.26 and 38,471.52 is: 57,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,545.61 : 164,312.26 = 38,471.52 : x
  2. Step 2: Convert to fraction form
    109,545.61/164,312.26 = 38,471.52/x
  3. Step 3: Cross multiply
    109,545.61x = 164,312.26 × 38,471.52
  4. Step 4: Simplify right side
    109,545.61x = 6,321,342,300.66
  5. Step 5: Solve for x
    x = 6,321,342,300.66/109,545.61
  6. Step 6: Final answer
    x = 57,705.12

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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.