Home / 74,722.16-112,054.08-32,615.12

Finding the Fourth Proportional to 74,722.16, 112,054.08 and 32,615.12

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Solution

The fourth proportional to 74,722.16, 112,054.08 and 32,615.12 is: 48,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722.16 : 112,054.08 = 32,615.12 : x
  2. Step 2: Convert to fraction form
    74,722.16/112,054.08 = 32,615.12/x
  3. Step 3: Cross multiply
    74,722.16x = 112,054.08 × 32,615.12
  4. Step 4: Simplify right side
    74,722.16x = 3,654,657,265.69
  5. Step 5: Solve for x
    x = 3,654,657,265.69/74,722.16
  6. Step 6: Final answer
    x = 48,909.95

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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.