Home / 45,335.25-67,547.22-42,788.73

Finding the Fourth Proportional to 45,335.25, 67,547.22 and 42,788.73

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Solution

The fourth proportional to 45,335.25, 67,547.22 and 42,788.73 is: 63,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.25 : 67,547.22 = 42,788.73 : x
  2. Step 2: Convert to fraction form
    45,335.25/67,547.22 = 42,788.73/x
  3. Step 3: Cross multiply
    45,335.25x = 67,547.22 × 42,788.73
  4. Step 4: Simplify right side
    45,335.25x = 2,890,259,758.83
  5. Step 5: Solve for x
    x = 2,890,259,758.83/45,335.25
  6. Step 6: Final answer
    x = 63,753.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.