Home / 72,444.30-108,666.45-66,029.10

Finding the Fourth Proportional to 72,444.30, 108,666.45 and 66,029.10

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Solution

The fourth proportional to 72,444.30, 108,666.45 and 66,029.10 is: 99,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.30 : 108,666.45 = 66,029.10 : x
  2. Step 2: Convert to fraction form
    72,444.30/108,666.45 = 66,029.10/x
  3. Step 3: Cross multiply
    72,444.30x = 108,666.45 × 66,029.10
  4. Step 4: Simplify right side
    72,444.30x = 7,175,147,893.70
  5. Step 5: Solve for x
    x = 7,175,147,893.70/72,444.30
  6. Step 6: Final answer
    x = 99,043.65

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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.