Home / 91,060.48-136,507.51-31,863.86

Finding the Fourth Proportional to 91,060.48, 136,507.51 and 31,863.86

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Solution

The fourth proportional to 91,060.48, 136,507.51 and 31,863.86 is: 47,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,060.48 : 136,507.51 = 31,863.86 : x
  2. Step 2: Convert to fraction form
    91,060.48/136,507.51 = 31,863.86/x
  3. Step 3: Cross multiply
    91,060.48x = 136,507.51 × 31,863.86
  4. Step 4: Simplify right side
    91,060.48x = 4,349,656,187.59
  5. Step 5: Solve for x
    x = 4,349,656,187.59/91,060.48
  6. Step 6: Final answer
    x = 47,766.67

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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.