Home / 86,447.22-129,666.24-26,475.68

Finding the Fourth Proportional to 86,447.22, 129,666.24 and 26,475.68

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Solution

The fourth proportional to 86,447.22, 129,666.24 and 26,475.68 is: 39,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,447.22 : 129,666.24 = 26,475.68 : x
  2. Step 2: Convert to fraction form
    86,447.22/129,666.24 = 26,475.68/x
  3. Step 3: Cross multiply
    86,447.22x = 129,666.24 × 26,475.68
  4. Step 4: Simplify right side
    86,447.22x = 3,433,001,877.04
  5. Step 5: Solve for x
    x = 3,433,001,877.04/86,447.22
  6. Step 6: Final answer
    x = 39,712.11

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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.