Home / 48,220.20-71,968.80-45,070.92

Finding the Fourth Proportional to 48,220.20, 71,968.80 and 45,070.92

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Solution

The fourth proportional to 48,220.20, 71,968.80 and 45,070.92 is: 67,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.20 : 71,968.80 = 45,070.92 : x
  2. Step 2: Convert to fraction form
    48,220.20/71,968.80 = 45,070.92/x
  3. Step 3: Cross multiply
    48,220.20x = 71,968.80 × 45,070.92
  4. Step 4: Simplify right side
    48,220.20x = 3,243,700,027.30
  5. Step 5: Solve for x
    x = 3,243,700,027.30/48,220.20
  6. Step 6: Final answer
    x = 67,268.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.