Home / 91,384.68-126,099.76-50,543.28

Finding the Fourth Proportional to 91,384.68, 126,099.76 and 50,543.28

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Solution

The fourth proportional to 91,384.68, 126,099.76 and 50,543.28 is: 69,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384.68 : 126,099.76 = 50,543.28 : x
  2. Step 2: Convert to fraction form
    91,384.68/126,099.76 = 50,543.28/x
  3. Step 3: Cross multiply
    91,384.68x = 126,099.76 × 50,543.28
  4. Step 4: Simplify right side
    91,384.68x = 6,373,495,477.61
  5. Step 5: Solve for x
    x = 6,373,495,477.61/91,384.68
  6. Step 6: Final answer
    x = 69,743.59

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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.