Home / 91,869.02-126,786.57-51,585.47

Finding the Fourth Proportional to 91,869.02, 126,786.57 and 51,585.47

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Solution

The fourth proportional to 91,869.02, 126,786.57 and 51,585.47 is: 71,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,869.02 : 126,786.57 = 51,585.47 : x
  2. Step 2: Convert to fraction form
    91,869.02/126,786.57 = 51,585.47/x
  3. Step 3: Cross multiply
    91,869.02x = 126,786.57 × 51,585.47
  4. Step 4: Simplify right side
    91,869.02x = 6,540,344,803.14
  5. Step 5: Solve for x
    x = 6,540,344,803.14/91,869.02
  6. Step 6: Final answer
    x = 71,192.06

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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.