Home / 85,230.41-127,882.51-45,741.38

Finding the Fourth Proportional to 85,230.41, 127,882.51 and 45,741.38

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Solution

The fourth proportional to 85,230.41, 127,882.51 and 45,741.38 is: 68,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,230.41 : 127,882.51 = 45,741.38 : x
  2. Step 2: Convert to fraction form
    85,230.41/127,882.51 = 45,741.38/x
  3. Step 3: Cross multiply
    85,230.41x = 127,882.51 × 45,741.38
  4. Step 4: Simplify right side
    85,230.41x = 5,849,521,731.50
  5. Step 5: Solve for x
    x = 5,849,521,731.50/85,230.41
  6. Step 6: Final answer
    x = 68,631.87

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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.