Home / 64,002.40-88,294.08-40,117.12

Finding the Fourth Proportional to 64,002.40, 88,294.08 and 40,117.12

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Solution

The fourth proportional to 64,002.40, 88,294.08 and 40,117.12 is: 55,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,002.40 : 88,294.08 = 40,117.12 : x
  2. Step 2: Convert to fraction form
    64,002.40/88,294.08 = 40,117.12/x
  3. Step 3: Cross multiply
    64,002.40x = 88,294.08 × 40,117.12
  4. Step 4: Simplify right side
    64,002.40x = 3,542,104,202.65
  5. Step 5: Solve for x
    x = 3,542,104,202.65/64,002.40
  6. Step 6: Final answer
    x = 55,343.30

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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.