Home / 71,019.08-106,545.06-21,098.12

Finding the Fourth Proportional to 71,019.08, 106,545.06 and 21,098.12

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Solution

The fourth proportional to 71,019.08, 106,545.06 and 21,098.12 is: 31,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,019.08 : 106,545.06 = 21,098.12 : x
  2. Step 2: Convert to fraction form
    71,019.08/106,545.06 = 21,098.12/x
  3. Step 3: Cross multiply
    71,019.08x = 106,545.06 × 21,098.12
  4. Step 4: Simplify right side
    71,019.08x = 2,247,900,461.29
  5. Step 5: Solve for x
    x = 2,247,900,461.29/71,019.08
  6. Step 6: Final answer
    x = 31,652.06

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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.