Home / 56,877.29-85,246.75-40,242.12

Finding the Fourth Proportional to 56,877.29, 85,246.75 and 40,242.12

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Solution

The fourth proportional to 56,877.29, 85,246.75 and 40,242.12 is: 60,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,877.29 : 85,246.75 = 40,242.12 : x
  2. Step 2: Convert to fraction form
    56,877.29/85,246.75 = 40,242.12/x
  3. Step 3: Cross multiply
    56,877.29x = 85,246.75 × 40,242.12
  4. Step 4: Simplify right side
    56,877.29x = 3,430,509,786.92
  5. Step 5: Solve for x
    x = 3,430,509,786.92/56,877.29
  6. Step 6: Final answer
    x = 60,314.23

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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.