Home / 88,286.65-121,839.11-48,000.29

Finding the Fourth Proportional to 88,286.65, 121,839.11 and 48,000.29

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Solution

The fourth proportional to 88,286.65, 121,839.11 and 48,000.29 is: 66,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,286.65 : 121,839.11 = 48,000.29 : x
  2. Step 2: Convert to fraction form
    88,286.65/121,839.11 = 48,000.29/x
  3. Step 3: Cross multiply
    88,286.65x = 121,839.11 × 48,000.29
  4. Step 4: Simplify right side
    88,286.65x = 5,848,312,613.34
  5. Step 5: Solve for x
    x = 5,848,312,613.34/88,286.65
  6. Step 6: Final answer
    x = 66,242.32

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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.