Home / 83,601.60-125,402.40-31,005.60

Finding the Fourth Proportional to 83,601.60, 125,402.40 and 31,005.60

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Solution

The fourth proportional to 83,601.60, 125,402.40 and 31,005.60 is: 46,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,601.60 : 125,402.40 = 31,005.60 : x
  2. Step 2: Convert to fraction form
    83,601.60/125,402.40 = 31,005.60/x
  3. Step 3: Cross multiply
    83,601.60x = 125,402.40 × 31,005.60
  4. Step 4: Simplify right side
    83,601.60x = 3,888,176,653.44
  5. Step 5: Solve for x
    x = 3,888,176,653.44/83,601.60
  6. Step 6: Final answer
    x = 46,508.40

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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.