Home / 77,314.38-106,683.89-45,471.66

Finding the Fourth Proportional to 77,314.38, 106,683.89 and 45,471.66

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Solution

The fourth proportional to 77,314.38, 106,683.89 and 45,471.66 is: 62,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,314.38 : 106,683.89 = 45,471.66 : x
  2. Step 2: Convert to fraction form
    77,314.38/106,683.89 = 45,471.66/x
  3. Step 3: Cross multiply
    77,314.38x = 106,683.89 × 45,471.66
  4. Step 4: Simplify right side
    77,314.38x = 4,851,093,346.20
  5. Step 5: Solve for x
    x = 4,851,093,346.20/77,314.38
  6. Step 6: Final answer
    x = 62,745.03

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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.