Home / 99,277.52-137,004.03-53,955.50

Finding the Fourth Proportional to 99,277.52, 137,004.03 and 53,955.50

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Solution

The fourth proportional to 99,277.52, 137,004.03 and 53,955.50 is: 74,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.52 : 137,004.03 = 53,955.50 : x
  2. Step 2: Convert to fraction form
    99,277.52/137,004.03 = 53,955.50/x
  3. Step 3: Cross multiply
    99,277.52x = 137,004.03 × 53,955.50
  4. Step 4: Simplify right side
    99,277.52x = 7,392,120,805.78
  5. Step 5: Solve for x
    x = 7,392,120,805.78/99,277.52
  6. Step 6: Final answer
    x = 74,459.16

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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.