Home / 85,127.29-117,371.57-53,240.83

Finding the Fourth Proportional to 85,127.29, 117,371.57 and 53,240.83

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Solution

The fourth proportional to 85,127.29, 117,371.57 and 53,240.83 is: 73,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.29 : 117,371.57 = 53,240.83 : x
  2. Step 2: Convert to fraction form
    85,127.29/117,371.57 = 53,240.83/x
  3. Step 3: Cross multiply
    85,127.29x = 117,371.57 × 53,240.83
  4. Step 4: Simplify right side
    85,127.29x = 6,248,959,245.57
  5. Step 5: Solve for x
    x = 6,248,959,245.57/85,127.29
  6. Step 6: Final answer
    x = 73,407.24

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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.