Home / 98,106.29-135,382.68-55,663.91

Finding the Fourth Proportional to 98,106.29, 135,382.68 and 55,663.91

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Solution

The fourth proportional to 98,106.29, 135,382.68 and 55,663.91 is: 76,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,106.29 : 135,382.68 = 55,663.91 : x
  2. Step 2: Convert to fraction form
    98,106.29/135,382.68 = 55,663.91/x
  3. Step 3: Cross multiply
    98,106.29x = 135,382.68 × 55,663.91
  4. Step 4: Simplify right side
    98,106.29x = 7,535,929,315.08
  5. Step 5: Solve for x
    x = 7,535,929,315.08/98,106.29
  6. Step 6: Final answer
    x = 76,813.93

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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.