Home / 71,448.08-107,172.15-26,484.90

Finding the Fourth Proportional to 71,448.08, 107,172.15 and 26,484.90

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Solution

The fourth proportional to 71,448.08, 107,172.15 and 26,484.90 is: 39,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.08 : 107,172.15 = 26,484.90 : x
  2. Step 2: Convert to fraction form
    71,448.08/107,172.15 = 26,484.90/x
  3. Step 3: Cross multiply
    71,448.08x = 107,172.15 × 26,484.90
  4. Step 4: Simplify right side
    71,448.08x = 2,838,443,675.54
  5. Step 5: Solve for x
    x = 2,838,443,675.54/71,448.08
  6. Step 6: Final answer
    x = 39,727.36

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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.