Home / 66,528.30-99,711.45-29,009.10

Finding the Fourth Proportional to 66,528.30, 99,711.45 and 29,009.10

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Solution

The fourth proportional to 66,528.30, 99,711.45 and 29,009.10 is: 43,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.30 : 99,711.45 = 29,009.10 : x
  2. Step 2: Convert to fraction form
    66,528.30/99,711.45 = 29,009.10/x
  3. Step 3: Cross multiply
    66,528.30x = 99,711.45 × 29,009.10
  4. Step 4: Simplify right side
    66,528.30x = 2,892,539,424.20
  5. Step 5: Solve for x
    x = 2,892,539,424.20/66,528.30
  6. Step 6: Final answer
    x = 43,478.33

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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.