Home / 91,811.32-126,699.12-51,525.04

Finding the Fourth Proportional to 91,811.32, 126,699.12 and 51,525.04

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Solution

The fourth proportional to 91,811.32, 126,699.12 and 51,525.04 is: 71,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.32 : 126,699.12 = 51,525.04 : x
  2. Step 2: Convert to fraction form
    91,811.32/126,699.12 = 51,525.04/x
  3. Step 3: Cross multiply
    91,811.32x = 126,699.12 × 51,525.04
  4. Step 4: Simplify right side
    91,811.32x = 6,528,177,225.96
  5. Step 5: Solve for x
    x = 6,528,177,225.96/91,811.32
  6. Step 6: Final answer
    x = 71,104.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.