Home / 96,215.76-132,784.25-55,929.40

Finding the Fourth Proportional to 96,215.76, 132,784.25 and 55,929.40

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Solution

The fourth proportional to 96,215.76, 132,784.25 and 55,929.40 is: 77,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,215.76 : 132,784.25 = 55,929.40 : x
  2. Step 2: Convert to fraction form
    96,215.76/132,784.25 = 55,929.40/x
  3. Step 3: Cross multiply
    96,215.76x = 132,784.25 × 55,929.40
  4. Step 4: Simplify right side
    96,215.76x = 7,426,543,571.77
  5. Step 5: Solve for x
    x = 7,426,543,571.77/96,215.76
  6. Step 6: Final answer
    x = 77,186.35

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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.