Home / 89,862.60-124,009.22-49,578.06

Finding the Fourth Proportional to 89,862.60, 124,009.22 and 49,578.06

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Solution

The fourth proportional to 89,862.60, 124,009.22 and 49,578.06 is: 68,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.60 : 124,009.22 = 49,578.06 : x
  2. Step 2: Convert to fraction form
    89,862.60/124,009.22 = 49,578.06/x
  3. Step 3: Cross multiply
    89,862.60x = 124,009.22 × 49,578.06
  4. Step 4: Simplify right side
    89,862.60x = 6,148,136,301.82
  5. Step 5: Solve for x
    x = 6,148,136,301.82/89,862.60
  6. Step 6: Final answer
    x = 68,417.08

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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.