Home / 99,955.44-137,945.16-57,524.40

Finding the Fourth Proportional to 99,955.44, 137,945.16 and 57,524.40

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Solution

The fourth proportional to 99,955.44, 137,945.16 and 57,524.40 is: 79,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.44 : 137,945.16 = 57,524.40 : x
  2. Step 2: Convert to fraction form
    99,955.44/137,945.16 = 57,524.40/x
  3. Step 3: Cross multiply
    99,955.44x = 137,945.16 × 57,524.40
  4. Step 4: Simplify right side
    99,955.44x = 7,935,212,561.90
  5. Step 5: Solve for x
    x = 7,935,212,561.90/99,955.44
  6. Step 6: Final answer
    x = 79,387.50

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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.