Home / 91,339.36-126,031.92-51,053.92

Finding the Fourth Proportional to 91,339.36, 126,031.92 and 51,053.92

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Solution

The fourth proportional to 91,339.36, 126,031.92 and 51,053.92 is: 70,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,339.36 : 126,031.92 = 51,053.92 : x
  2. Step 2: Convert to fraction form
    91,339.36/126,031.92 = 51,053.92/x
  3. Step 3: Cross multiply
    91,339.36x = 126,031.92 × 51,053.92
  4. Step 4: Simplify right side
    91,339.36x = 6,434,423,561.13
  5. Step 5: Solve for x
    x = 6,434,423,561.13/91,339.36
  6. Step 6: Final answer
    x = 70,445.24

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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.