Home / 83,181.60-124,772.40-48,189.60

Finding the Fourth Proportional to 83,181.60, 124,772.40 and 48,189.60

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Solution

The fourth proportional to 83,181.60, 124,772.40 and 48,189.60 is: 72,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,181.60 : 124,772.40 = 48,189.60 : x
  2. Step 2: Convert to fraction form
    83,181.60/124,772.40 = 48,189.60/x
  3. Step 3: Cross multiply
    83,181.60x = 124,772.40 × 48,189.60
  4. Step 4: Simplify right side
    83,181.60x = 6,012,732,047.04
  5. Step 5: Solve for x
    x = 6,012,732,047.04/83,181.60
  6. Step 6: Final answer
    x = 72,284.40

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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.