Home / 78,503.15-108,332.02-44,514.74

Finding the Fourth Proportional to 78,503.15, 108,332.02 and 44,514.74

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Solution

The fourth proportional to 78,503.15, 108,332.02 and 44,514.74 is: 61,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,503.15 : 108,332.02 = 44,514.74 : x
  2. Step 2: Convert to fraction form
    78,503.15/108,332.02 = 44,514.74/x
  3. Step 3: Cross multiply
    78,503.15x = 108,332.02 × 44,514.74
  4. Step 4: Simplify right side
    78,503.15x = 4,822,371,162.31
  5. Step 5: Solve for x
    x = 4,822,371,162.31/78,503.15
  6. Step 6: Final answer
    x = 61,429.02

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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.