Home / 78,272.19-108,008.24-44,276.49

Finding the Fourth Proportional to 78,272.19, 108,008.24 and 44,276.49

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Solution

The fourth proportional to 78,272.19, 108,008.24 and 44,276.49 is: 61,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,272.19 : 108,008.24 = 44,276.49 : x
  2. Step 2: Convert to fraction form
    78,272.19/108,008.24 = 44,276.49/x
  3. Step 3: Cross multiply
    78,272.19x = 108,008.24 × 44,276.49
  4. Step 4: Simplify right side
    78,272.19x = 4,782,225,536.90
  5. Step 5: Solve for x
    x = 4,782,225,536.90/78,272.19
  6. Step 6: Final answer
    x = 61,097.38

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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.