Home / 98,481.02-135,907.07-56,042.28

Finding the Fourth Proportional to 98,481.02, 135,907.07 and 56,042.28

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Solution

The fourth proportional to 98,481.02, 135,907.07 and 56,042.28 is: 77,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,481.02 : 135,907.07 = 56,042.28 : x
  2. Step 2: Convert to fraction form
    98,481.02/135,907.07 = 56,042.28/x
  3. Step 3: Cross multiply
    98,481.02x = 135,907.07 × 56,042.28
  4. Step 4: Simplify right side
    98,481.02x = 7,616,541,790.71
  5. Step 5: Solve for x
    x = 7,616,541,790.71/98,481.02
  6. Step 6: Final answer
    x = 77,340.20

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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.