Home / 98,853.06-136,417.86-53,531.04

Finding the Fourth Proportional to 98,853.06, 136,417.86 and 53,531.04

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Solution

The fourth proportional to 98,853.06, 136,417.86 and 53,531.04 is: 73,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.06 : 136,417.86 = 53,531.04 : x
  2. Step 2: Convert to fraction form
    98,853.06/136,417.86 = 53,531.04/x
  3. Step 3: Cross multiply
    98,853.06x = 136,417.86 × 53,531.04
  4. Step 4: Simplify right side
    98,853.06x = 7,302,589,920.37
  5. Step 5: Solve for x
    x = 7,302,589,920.37/98,853.06
  6. Step 6: Final answer
    x = 73,873.18

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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.