Home / 99,468.75-137,266.88-57,041.31

Finding the Fourth Proportional to 99,468.75, 137,266.88 and 57,041.31

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Solution

The fourth proportional to 99,468.75, 137,266.88 and 57,041.31 is: 78,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.75 : 137,266.88 = 57,041.31 : x
  2. Step 2: Convert to fraction form
    99,468.75/137,266.88 = 57,041.31/x
  3. Step 3: Cross multiply
    99,468.75x = 137,266.88 × 57,041.31
  4. Step 4: Simplify right side
    99,468.75x = 7,829,882,369.61
  5. Step 5: Solve for x
    x = 7,829,882,369.61/99,468.75
  6. Step 6: Final answer
    x = 78,717.01

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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.