Home / 71,023.18-98,017.52-40,819.04

Finding the Fourth Proportional to 71,023.18, 98,017.52 and 40,819.04

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Solution

The fourth proportional to 71,023.18, 98,017.52 and 40,819.04 is: 56,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.18 : 98,017.52 = 40,819.04 : x
  2. Step 2: Convert to fraction form
    71,023.18/98,017.52 = 40,819.04/x
  3. Step 3: Cross multiply
    71,023.18x = 98,017.52 × 40,819.04
  4. Step 4: Simplify right side
    71,023.18x = 4,000,980,375.40
  5. Step 5: Solve for x
    x = 4,000,980,375.40/71,023.18
  6. Step 6: Final answer
    x = 56,333.45

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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.