Home / 91,851.65-126,746.52-51,556.17

Finding the Fourth Proportional to 91,851.65, 126,746.52 and 51,556.17

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Solution

The fourth proportional to 91,851.65, 126,746.52 and 51,556.17 is: 71,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,851.65 : 126,746.52 = 51,556.17 : x
  2. Step 2: Convert to fraction form
    91,851.65/126,746.52 = 51,556.17/x
  3. Step 3: Cross multiply
    91,851.65x = 126,746.52 × 51,556.17
  4. Step 4: Simplify right side
    91,851.65x = 6,534,565,800.66
  5. Step 5: Solve for x
    x = 6,534,565,800.66/91,851.65
  6. Step 6: Final answer
    x = 71,142.61

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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.