Home / 91,756.13-137,670.93-41,859.72

Finding the Fourth Proportional to 91,756.13, 137,670.93 and 41,859.72

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Solution

The fourth proportional to 91,756.13, 137,670.93 and 41,859.72 is: 62,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.13 : 137,670.93 = 41,859.72 : x
  2. Step 2: Convert to fraction form
    91,756.13/137,670.93 = 41,859.72/x
  3. Step 3: Cross multiply
    91,756.13x = 137,670.93 × 41,859.72
  4. Step 4: Simplify right side
    91,756.13x = 5,762,866,581.94
  5. Step 5: Solve for x
    x = 5,762,866,581.94/91,756.13
  6. Step 6: Final answer
    x = 62,806.34

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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.