Home / 78,417.08-108,198.24-44,422.56

Finding the Fourth Proportional to 78,417.08, 108,198.24 and 44,422.56

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Solution

The fourth proportional to 78,417.08, 108,198.24 and 44,422.56 is: 61,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417.08 : 108,198.24 = 44,422.56 : x
  2. Step 2: Convert to fraction form
    78,417.08/108,198.24 = 44,422.56/x
  3. Step 3: Cross multiply
    78,417.08x = 108,198.24 × 44,422.56
  4. Step 4: Simplify right side
    78,417.08x = 4,806,442,808.29
  5. Step 5: Solve for x
    x = 4,806,442,808.29/78,417.08
  6. Step 6: Final answer
    x = 61,293.32

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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.