Home / 91,333.68-126,038-51,047.76

Finding the Fourth Proportional to 91,333.68, 126,038 and 51,047.76

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Solution

The fourth proportional to 91,333.68, 126,038 and 51,047.76 is: 70,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,333.68 : 126,038 = 51,047.76 : x
  2. Step 2: Convert to fraction form
    91,333.68/126,038 = 51,047.76/x
  3. Step 3: Cross multiply
    91,333.68x = 126,038 × 51,047.76
  4. Step 4: Simplify right side
    91,333.68x = 6,433,957,574.88
  5. Step 5: Solve for x
    x = 6,433,957,574.88/91,333.68
  6. Step 6: Final answer
    x = 70,444.52

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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.