Home / 74,616.30-111,854.10-37,140.95

Finding the Fourth Proportional to 74,616.30, 111,854.10 and 37,140.95

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Solution

The fourth proportional to 74,616.30, 111,854.10 and 37,140.95 is: 55,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616.30 : 111,854.10 = 37,140.95 : x
  2. Step 2: Convert to fraction form
    74,616.30/111,854.10 = 37,140.95/x
  3. Step 3: Cross multiply
    74,616.30x = 111,854.10 × 37,140.95
  4. Step 4: Simplify right side
    74,616.30x = 4,154,366,976.12
  5. Step 5: Solve for x
    x = 4,154,366,976.12/74,616.30
  6. Step 6: Final answer
    x = 55,676.40

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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.