Home / 91,998.47-126,959.04-51,709.88

Finding the Fourth Proportional to 91,998.47, 126,959.04 and 51,709.88

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Solution

The fourth proportional to 91,998.47, 126,959.04 and 51,709.88 is: 71,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998.47 : 126,959.04 = 51,709.88 : x
  2. Step 2: Convert to fraction form
    91,998.47/126,959.04 = 51,709.88/x
  3. Step 3: Cross multiply
    91,998.47x = 126,959.04 × 51,709.88
  4. Step 4: Simplify right side
    91,998.47x = 6,565,036,088.52
  5. Step 5: Solve for x
    x = 6,565,036,088.52/91,998.47
  6. Step 6: Final answer
    x = 71,360.28

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1.5x scale

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.