Home / 85,916.56-118,565.76-48,190

Finding the Fourth Proportional to 85,916.56, 118,565.76 and 48,190

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Solution

The fourth proportional to 85,916.56, 118,565.76 and 48,190 is: 66,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,916.56 : 118,565.76 = 48,190 : x
  2. Step 2: Convert to fraction form
    85,916.56/118,565.76 = 48,190/x
  3. Step 3: Cross multiply
    85,916.56x = 118,565.76 × 48,190
  4. Step 4: Simplify right side
    85,916.56x = 5,713,683,974.40
  5. Step 5: Solve for x
    x = 5,713,683,974.40/85,916.56
  6. Step 6: Final answer
    x = 66,502.71

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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.