Home / 71,515.10-98,695.52-41,301.70

Finding the Fourth Proportional to 71,515.10, 98,695.52 and 41,301.70

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Solution

The fourth proportional to 71,515.10, 98,695.52 and 41,301.70 is: 56,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,515.10 : 98,695.52 = 41,301.70 : x
  2. Step 2: Convert to fraction form
    71,515.10/98,695.52 = 41,301.70/x
  3. Step 3: Cross multiply
    71,515.10x = 98,695.52 × 41,301.70
  4. Step 4: Simplify right side
    71,515.10x = 4,076,292,758.38
  5. Step 5: Solve for x
    x = 4,076,292,758.38/71,515.10
  6. Step 6: Final answer
    x = 56,999.05

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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.