Home / 85,872.56-118,502.60-48,146.81

Finding the Fourth Proportional to 85,872.56, 118,502.60 and 48,146.81

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Solution

The fourth proportional to 85,872.56, 118,502.60 and 48,146.81 is: 66,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,872.56 : 118,502.60 = 48,146.81 : x
  2. Step 2: Convert to fraction form
    85,872.56/118,502.60 = 48,146.81/x
  3. Step 3: Cross multiply
    85,872.56x = 118,502.60 × 48,146.81
  4. Step 4: Simplify right side
    85,872.56x = 5,705,521,333.46
  5. Step 5: Solve for x
    x = 5,705,521,333.46/85,872.56
  6. Step 6: Final answer
    x = 66,441.73

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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.