Home / 99,118.97-136,721.96-58,804.19

Finding the Fourth Proportional to 99,118.97, 136,721.96 and 58,804.19

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Solution

The fourth proportional to 99,118.97, 136,721.96 and 58,804.19 is: 81,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.97 : 136,721.96 = 58,804.19 : x
  2. Step 2: Convert to fraction form
    99,118.97/136,721.96 = 58,804.19/x
  3. Step 3: Cross multiply
    99,118.97x = 136,721.96 × 58,804.19
  4. Step 4: Simplify right side
    99,118.97x = 8,039,824,113.01
  5. Step 5: Solve for x
    x = 8,039,824,113.01/99,118.97
  6. Step 6: Final answer
    x = 81,112.87

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1.5x scale

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.