Home / 71,500.23-107,271.87-64,447.15

Finding the Fourth Proportional to 71,500.23, 107,271.87 and 64,447.15

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Solution

The fourth proportional to 71,500.23, 107,271.87 and 64,447.15 is: 96,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,500.23 : 107,271.87 = 64,447.15 : x
  2. Step 2: Convert to fraction form
    71,500.23/107,271.87 = 64,447.15/x
  3. Step 3: Cross multiply
    71,500.23x = 107,271.87 × 64,447.15
  4. Step 4: Simplify right side
    71,500.23x = 6,913,366,296.67
  5. Step 5: Solve for x
    x = 6,913,366,296.67/71,500.23
  6. Step 6: Final answer
    x = 96,690.13

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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.