Home / 71,023.60-98,017.36-40,818.80

Finding the Fourth Proportional to 71,023.60, 98,017.36 and 40,818.80

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Solution

The fourth proportional to 71,023.60, 98,017.36 and 40,818.80 is: 56,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.60 : 98,017.36 = 40,818.80 : x
  2. Step 2: Convert to fraction form
    71,023.60/98,017.36 = 40,818.80/x
  3. Step 3: Cross multiply
    71,023.60x = 98,017.36 × 40,818.80
  4. Step 4: Simplify right side
    71,023.60x = 4,000,951,014.37
  5. Step 5: Solve for x
    x = 4,000,951,014.37/71,023.60
  6. Step 6: Final answer
    x = 56,332.70

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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.