Home / 91,238.70-125,911.38-57,248.52

Finding the Fourth Proportional to 91,238.70, 125,911.38 and 57,248.52

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Solution

The fourth proportional to 91,238.70, 125,911.38 and 57,248.52 is: 79,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,238.70 : 125,911.38 = 57,248.52 : x
  2. Step 2: Convert to fraction form
    91,238.70/125,911.38 = 57,248.52/x
  3. Step 3: Cross multiply
    91,238.70x = 125,911.38 × 57,248.52
  4. Step 4: Simplify right side
    91,238.70x = 7,208,240,156.16
  5. Step 5: Solve for x
    x = 7,208,240,156.16/91,238.70
  6. Step 6: Final answer
    x = 79,004.20

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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.