Home / 45,586.23-68,154.55-38,643.72

Finding the Fourth Proportional to 45,586.23, 68,154.55 and 38,643.72

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Solution

The fourth proportional to 45,586.23, 68,154.55 and 38,643.72 is: 57,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.23 : 68,154.55 = 38,643.72 : x
  2. Step 2: Convert to fraction form
    45,586.23/68,154.55 = 38,643.72/x
  3. Step 3: Cross multiply
    45,586.23x = 68,154.55 × 38,643.72
  4. Step 4: Simplify right side
    45,586.23x = 2,633,745,346.93
  5. Step 5: Solve for x
    x = 2,633,745,346.93/45,586.23
  6. Step 6: Final answer
    x = 57,775.02

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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.