Home / 98,611.29-136,084.46-91,077.08

Finding the Fourth Proportional to 98,611.29, 136,084.46 and 91,077.08

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Solution

The fourth proportional to 98,611.29, 136,084.46 and 91,077.08 is: 125,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,611.29 : 136,084.46 = 91,077.08 : x
  2. Step 2: Convert to fraction form
    98,611.29/136,084.46 = 91,077.08/x
  3. Step 3: Cross multiply
    98,611.29x = 136,084.46 × 91,077.08
  4. Step 4: Simplify right side
    98,611.29x = 12,394,174,114.37
  5. Step 5: Solve for x
    x = 12,394,174,114.37/98,611.29
  6. Step 6: Final answer
    x = 125,687.17

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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.