Home / 95,802.18-132,336.09-86,859.78

Finding the Fourth Proportional to 95,802.18, 132,336.09 and 86,859.78

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Solution

The fourth proportional to 95,802.18, 132,336.09 and 86,859.78 is: 119,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,802.18 : 132,336.09 = 86,859.78 : x
  2. Step 2: Convert to fraction form
    95,802.18/132,336.09 = 86,859.78/x
  3. Step 3: Cross multiply
    95,802.18x = 132,336.09 × 86,859.78
  4. Step 4: Simplify right side
    95,802.18x = 11,494,683,663.46
  5. Step 5: Solve for x
    x = 11,494,683,663.46/95,802.18
  6. Step 6: Final answer
    x = 119,983.53

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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.