Home / 72,964.13-109,304.57-47,928.21

Finding the Fourth Proportional to 72,964.13, 109,304.57 and 47,928.21

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Solution

The fourth proportional to 72,964.13, 109,304.57 and 47,928.21 is: 71,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,964.13 : 109,304.57 = 47,928.21 : x
  2. Step 2: Convert to fraction form
    72,964.13/109,304.57 = 47,928.21/x
  3. Step 3: Cross multiply
    72,964.13x = 109,304.57 × 47,928.21
  4. Step 4: Simplify right side
    72,964.13x = 5,238,772,094.85
  5. Step 5: Solve for x
    x = 5,238,772,094.85/72,964.13
  6. Step 6: Final answer
    x = 71,799.29

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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.