Home / 109,040.52-163,529.18-42,465.80

Finding the Fourth Proportional to 109,040.52, 163,529.18 and 42,465.80

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Solution

The fourth proportional to 109,040.52, 163,529.18 and 42,465.80 is: 63,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.52 : 163,529.18 = 42,465.80 : x
  2. Step 2: Convert to fraction form
    109,040.52/163,529.18 = 42,465.80/x
  3. Step 3: Cross multiply
    109,040.52x = 163,529.18 × 42,465.80
  4. Step 4: Simplify right side
    109,040.52x = 6,944,397,452.04
  5. Step 5: Solve for x
    x = 6,944,397,452.04/109,040.52
  6. Step 6: Final answer
    x = 63,686.39

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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.