Home / 78,519.68-108,354.90-44,531.36

Finding the Fourth Proportional to 78,519.68, 108,354.90 and 44,531.36

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Solution

The fourth proportional to 78,519.68, 108,354.90 and 44,531.36 is: 61,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,519.68 : 108,354.90 = 44,531.36 : x
  2. Step 2: Convert to fraction form
    78,519.68/108,354.90 = 44,531.36/x
  3. Step 3: Cross multiply
    78,519.68x = 108,354.90 × 44,531.36
  4. Step 4: Simplify right side
    78,519.68x = 4,825,191,059.66
  5. Step 5: Solve for x
    x = 4,825,191,059.66/78,519.68
  6. Step 6: Final answer
    x = 61,452.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.