Home / 75,329.40-112,863.06-45,676.92

Finding the Fourth Proportional to 75,329.40, 112,863.06 and 45,676.92

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Solution

The fourth proportional to 75,329.40, 112,863.06 and 45,676.92 is: 68,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.40 : 112,863.06 = 45,676.92 : x
  2. Step 2: Convert to fraction form
    75,329.40/112,863.06 = 45,676.92/x
  3. Step 3: Cross multiply
    75,329.40x = 112,863.06 × 45,676.92
  4. Step 4: Simplify right side
    75,329.40x = 5,155,236,962.58
  5. Step 5: Solve for x
    x = 5,155,236,962.58/75,329.40
  6. Step 6: Final answer
    x = 68,435.92

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1.5x scale

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.