Home / 67,427.73-93,047.11-38,727.20

Finding the Fourth Proportional to 67,427.73, 93,047.11 and 38,727.20

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Solution

The fourth proportional to 67,427.73, 93,047.11 and 38,727.20 is: 53,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,427.73 : 93,047.11 = 38,727.20 : x
  2. Step 2: Convert to fraction form
    67,427.73/93,047.11 = 38,727.20/x
  3. Step 3: Cross multiply
    67,427.73x = 93,047.11 × 38,727.20
  4. Step 4: Simplify right side
    67,427.73x = 3,603,453,844.76
  5. Step 5: Solve for x
    x = 3,603,453,844.76/67,427.73
  6. Step 6: Final answer
    x = 53,441.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.