Home / 91,913.31-137,881.08-32,754.96

Finding the Fourth Proportional to 91,913.31, 137,881.08 and 32,754.96

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Solution

The fourth proportional to 91,913.31, 137,881.08 and 32,754.96 is: 49,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.31 : 137,881.08 = 32,754.96 : x
  2. Step 2: Convert to fraction form
    91,913.31/137,881.08 = 32,754.96/x
  3. Step 3: Cross multiply
    91,913.31x = 137,881.08 × 32,754.96
  4. Step 4: Simplify right side
    91,913.31x = 4,516,289,260.16
  5. Step 5: Solve for x
    x = 4,516,289,260.16/91,913.31
  6. Step 6: Final answer
    x = 49,136.40

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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.