Home / 91,576.53-137,386.13-28,393.36

Finding the Fourth Proportional to 91,576.53, 137,386.13 and 28,393.36

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Solution

The fourth proportional to 91,576.53, 137,386.13 and 28,393.36 is: 42,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.53 : 137,386.13 = 28,393.36 : x
  2. Step 2: Convert to fraction form
    91,576.53/137,386.13 = 28,393.36/x
  3. Step 3: Cross multiply
    91,576.53x = 137,386.13 × 28,393.36
  4. Step 4: Simplify right side
    91,576.53x = 3,900,853,362.66
  5. Step 5: Solve for x
    x = 3,900,853,362.66/91,576.53
  6. Step 6: Final answer
    x = 42,596.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.