Home / 98,677.11-136,067.23-62,821.25

Finding the Fourth Proportional to 98,677.11, 136,067.23 and 62,821.25

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Solution

The fourth proportional to 98,677.11, 136,067.23 and 62,821.25 is: 86,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,677.11 : 136,067.23 = 62,821.25 : x
  2. Step 2: Convert to fraction form
    98,677.11/136,067.23 = 62,821.25/x
  3. Step 3: Cross multiply
    98,677.11x = 136,067.23 × 62,821.25
  4. Step 4: Simplify right side
    98,677.11x = 8,547,913,027.71
  5. Step 5: Solve for x
    x = 8,547,913,027.71/98,677.11
  6. Step 6: Final answer
    x = 86,625.08

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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.