Home / 91,704.47-137,353.49-70,488.29

Finding the Fourth Proportional to 91,704.47, 137,353.49 and 70,488.29

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Solution

The fourth proportional to 91,704.47, 137,353.49 and 70,488.29 is: 105,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,704.47 : 137,353.49 = 70,488.29 : x
  2. Step 2: Convert to fraction form
    91,704.47/137,353.49 = 70,488.29/x
  3. Step 3: Cross multiply
    91,704.47x = 137,353.49 × 70,488.29
  4. Step 4: Simplify right side
    91,704.47x = 9,681,811,596.42
  5. Step 5: Solve for x
    x = 9,681,811,596.42/91,704.47
  6. Step 6: Final answer
    x = 105,576.23

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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.