Home / 60,389.38-83,415.78-45,961.57

Finding the Fourth Proportional to 60,389.38, 83,415.78 and 45,961.57

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Solution

The fourth proportional to 60,389.38, 83,415.78 and 45,961.57 is: 63,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,389.38 : 83,415.78 = 45,961.57 : x
  2. Step 2: Convert to fraction form
    60,389.38/83,415.78 = 45,961.57/x
  3. Step 3: Cross multiply
    60,389.38x = 83,415.78 × 45,961.57
  4. Step 4: Simplify right side
    60,389.38x = 3,833,920,211.57
  5. Step 5: Solve for x
    x = 3,833,920,211.57/60,389.38
  6. Step 6: Final answer
    x = 63,486.66

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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.