Home / 83,025.60-124,538.40-57,656.40

Finding the Fourth Proportional to 83,025.60, 124,538.40 and 57,656.40

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Solution

The fourth proportional to 83,025.60, 124,538.40 and 57,656.40 is: 86,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,025.60 : 124,538.40 = 57,656.40 : x
  2. Step 2: Convert to fraction form
    83,025.60/124,538.40 = 57,656.40/x
  3. Step 3: Cross multiply
    83,025.60x = 124,538.40 × 57,656.40
  4. Step 4: Simplify right side
    83,025.60x = 7,180,435,805.76
  5. Step 5: Solve for x
    x = 7,180,435,805.76/83,025.60
  6. Step 6: Final answer
    x = 86,484.60

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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.