Home / 74,952.12-103,432.72-40,959.84

Finding the Fourth Proportional to 74,952.12, 103,432.72 and 40,959.84

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Solution

The fourth proportional to 74,952.12, 103,432.72 and 40,959.84 is: 56,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.12 : 103,432.72 = 40,959.84 : x
  2. Step 2: Convert to fraction form
    74,952.12/103,432.72 = 40,959.84/x
  3. Step 3: Cross multiply
    74,952.12x = 103,432.72 × 40,959.84
  4. Step 4: Simplify right side
    74,952.12x = 4,236,587,661.96
  5. Step 5: Solve for x
    x = 4,236,587,661.96/74,952.12
  6. Step 6: Final answer
    x = 56,523.92

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1.5x scale

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.