Home / 91,384.50-126,125.19-53,651.46

Finding the Fourth Proportional to 91,384.50, 126,125.19 and 53,651.46

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Solution

The fourth proportional to 91,384.50, 126,125.19 and 53,651.46 is: 74,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384.50 : 126,125.19 = 53,651.46 : x
  2. Step 2: Convert to fraction form
    91,384.50/126,125.19 = 53,651.46/x
  3. Step 3: Cross multiply
    91,384.50x = 126,125.19 × 53,651.46
  4. Step 4: Simplify right side
    91,384.50x = 6,766,800,586.28
  5. Step 5: Solve for x
    x = 6,766,800,586.28/91,384.50
  6. Step 6: Final answer
    x = 74,047.57

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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.