Home / 98,887.02-136,464.12-54,175.02

Finding the Fourth Proportional to 98,887.02, 136,464.12 and 54,175.02

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Solution

The fourth proportional to 98,887.02, 136,464.12 and 54,175.02 is: 74,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,887.02 : 136,464.12 = 54,175.02 : x
  2. Step 2: Convert to fraction form
    98,887.02/136,464.12 = 54,175.02/x
  3. Step 3: Cross multiply
    98,887.02x = 136,464.12 × 54,175.02
  4. Step 4: Simplify right side
    98,887.02x = 7,392,946,430.28
  5. Step 5: Solve for x
    x = 7,392,946,430.28/98,887.02
  6. Step 6: Final answer
    x = 74,761.55

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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.