Home / 55,517.40-83,276.10-49,393.80

Finding the Fourth Proportional to 55,517.40, 83,276.10 and 49,393.80

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Solution

The fourth proportional to 55,517.40, 83,276.10 and 49,393.80 is: 74,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.40 : 83,276.10 = 49,393.80 : x
  2. Step 2: Convert to fraction form
    55,517.40/83,276.10 = 49,393.80/x
  3. Step 3: Cross multiply
    55,517.40x = 83,276.10 × 49,393.80
  4. Step 4: Simplify right side
    55,517.40x = 4,113,323,028.18
  5. Step 5: Solve for x
    x = 4,113,323,028.18/55,517.40
  6. Step 6: Final answer
    x = 74,090.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.