Home / 91,358.48-137,061.03-38,032.74

Finding the Fourth Proportional to 91,358.48, 137,061.03 and 38,032.74

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Solution

The fourth proportional to 91,358.48, 137,061.03 and 38,032.74 is: 57,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,358.48 : 137,061.03 = 38,032.74 : x
  2. Step 2: Convert to fraction form
    91,358.48/137,061.03 = 38,032.74/x
  3. Step 3: Cross multiply
    91,358.48x = 137,061.03 × 38,032.74
  4. Step 4: Simplify right side
    91,358.48x = 5,212,806,518.12
  5. Step 5: Solve for x
    x = 5,212,806,518.12/91,358.48
  6. Step 6: Final answer
    x = 57,058.82

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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.