Home / 91,134.88-125,828.32-58,947.52

Finding the Fourth Proportional to 91,134.88, 125,828.32 and 58,947.52

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Solution

The fourth proportional to 91,134.88, 125,828.32 and 58,947.52 is: 81,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.88 : 125,828.32 = 58,947.52 : x
  2. Step 2: Convert to fraction form
    91,134.88/125,828.32 = 58,947.52/x
  3. Step 3: Cross multiply
    91,134.88x = 125,828.32 × 58,947.52
  4. Step 4: Simplify right side
    91,134.88x = 7,417,267,409.77
  5. Step 5: Solve for x
    x = 7,417,267,409.77/91,134.88
  6. Step 6: Final answer
    x = 81,387.80

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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.