Home / 98,854.02-136,418.58-54,142.02

Finding the Fourth Proportional to 98,854.02, 136,418.58 and 54,142.02

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Solution

The fourth proportional to 98,854.02, 136,418.58 and 54,142.02 is: 74,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,854.02 : 136,418.58 = 54,142.02 : x
  2. Step 2: Convert to fraction form
    98,854.02/136,418.58 = 54,142.02/x
  3. Step 3: Cross multiply
    98,854.02x = 136,418.58 × 54,142.02
  4. Step 4: Simplify right side
    98,854.02x = 7,385,977,486.73
  5. Step 5: Solve for x
    x = 7,385,977,486.73/98,854.02
  6. Step 6: Final answer
    x = 74,716.01

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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.