Home / 91,703.29-137,682.38-47,362.81

Finding the Fourth Proportional to 91,703.29, 137,682.38 and 47,362.81

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Solution

The fourth proportional to 91,703.29, 137,682.38 and 47,362.81 is: 71,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.29 : 137,682.38 = 47,362.81 : x
  2. Step 2: Convert to fraction form
    91,703.29/137,682.38 = 47,362.81/x
  3. Step 3: Cross multiply
    91,703.29x = 137,682.38 × 47,362.81
  4. Step 4: Simplify right side
    91,703.29x = 6,521,024,167.47
  5. Step 5: Solve for x
    x = 6,521,024,167.47/91,703.29
  6. Step 6: Final answer
    x = 71,110.04

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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.