Home / 99,277.28-137,003.70-53,955.26

Finding the Fourth Proportional to 99,277.28, 137,003.70 and 53,955.26

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Solution

The fourth proportional to 99,277.28, 137,003.70 and 53,955.26 is: 74,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.28 : 137,003.70 = 53,955.26 : x
  2. Step 2: Convert to fraction form
    99,277.28/137,003.70 = 53,955.26/x
  3. Step 3: Cross multiply
    99,277.28x = 137,003.70 × 53,955.26
  4. Step 4: Simplify right side
    99,277.28x = 7,392,069,569.44
  5. Step 5: Solve for x
    x = 7,392,069,569.44/99,277.28
  6. Step 6: Final answer
    x = 74,458.83

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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.