Home / 55,601.40-83,402.10-49,380.60

Finding the Fourth Proportional to 55,601.40, 83,402.10 and 49,380.60

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Solution

The fourth proportional to 55,601.40, 83,402.10 and 49,380.60 is: 74,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.40 : 83,402.10 = 49,380.60 : x
  2. Step 2: Convert to fraction form
    55,601.40/83,402.10 = 49,380.60/x
  3. Step 3: Cross multiply
    55,601.40x = 83,402.10 × 49,380.60
  4. Step 4: Simplify right side
    55,601.40x = 4,118,445,739.26
  5. Step 5: Solve for x
    x = 4,118,445,739.26/55,601.40
  6. Step 6: Final answer
    x = 74,070.90

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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.