Home / 60,679.13-91,036.61-31,117.67

Finding the Fourth Proportional to 60,679.13, 91,036.61 and 31,117.67

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Solution

The fourth proportional to 60,679.13, 91,036.61 and 31,117.67 is: 46,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679.13 : 91,036.61 = 31,117.67 : x
  2. Step 2: Convert to fraction form
    60,679.13/91,036.61 = 31,117.67/x
  3. Step 3: Cross multiply
    60,679.13x = 91,036.61 × 31,117.67
  4. Step 4: Simplify right side
    60,679.13x = 2,832,847,035.21
  5. Step 5: Solve for x
    x = 2,832,847,035.21/60,679.13
  6. Step 6: Final answer
    x = 46,685.69

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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.