Home / 83,148.12-124,771.39-30,594.51

Finding the Fourth Proportional to 83,148.12, 124,771.39 and 30,594.51

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Solution

The fourth proportional to 83,148.12, 124,771.39 and 30,594.51 is: 45,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148.12 : 124,771.39 = 30,594.51 : x
  2. Step 2: Convert to fraction form
    83,148.12/124,771.39 = 30,594.51/x
  3. Step 3: Cross multiply
    83,148.12x = 124,771.39 × 30,594.51
  4. Step 4: Simplify right side
    83,148.12x = 3,817,319,462.58
  5. Step 5: Solve for x
    x = 3,817,319,462.58/83,148.12
  6. Step 6: Final answer
    x = 45,909.87

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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.