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Finding the Fourth Proportional to 82,846.66, 114,395.80 and 67,535.60

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Solution

The fourth proportional to 82,846.66, 114,395.80 and 67,535.60 is: 93,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,846.66 : 114,395.80 = 67,535.60 : x
  2. Step 2: Convert to fraction form
    82,846.66/114,395.80 = 67,535.60/x
  3. Step 3: Cross multiply
    82,846.66x = 114,395.80 × 67,535.60
  4. Step 4: Simplify right side
    82,846.66x = 7,725,788,990.48
  5. Step 5: Solve for x
    x = 7,725,788,990.48/82,846.66
  6. Step 6: Final answer
    x = 93,254.08

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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.