Home / 71,133.64-98,081.16-48,486.04

Finding the Fourth Proportional to 71,133.64, 98,081.16 and 48,486.04

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Solution

The fourth proportional to 71,133.64, 98,081.16 and 48,486.04 is: 66,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,133.64 : 98,081.16 = 48,486.04 : x
  2. Step 2: Convert to fraction form
    71,133.64/98,081.16 = 48,486.04/x
  3. Step 3: Cross multiply
    71,133.64x = 98,081.16 × 48,486.04
  4. Step 4: Simplify right side
    71,133.64x = 4,755,567,047.01
  5. Step 5: Solve for x
    x = 4,755,567,047.01/71,133.64
  6. Step 6: Final answer
    x = 66,853.98

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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.