Home / 96,637.10-144,955.65-90,076.10

Finding the Fourth Proportional to 96,637.10, 144,955.65 and 90,076.10

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Solution

The fourth proportional to 96,637.10, 144,955.65 and 90,076.10 is: 135,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,637.10 : 144,955.65 = 90,076.10 : x
  2. Step 2: Convert to fraction form
    96,637.10/144,955.65 = 90,076.10/x
  3. Step 3: Cross multiply
    96,637.10x = 144,955.65 × 90,076.10
  4. Step 4: Simplify right side
    96,637.10x = 13,057,039,624.97
  5. Step 5: Solve for x
    x = 13,057,039,624.97/96,637.10
  6. Step 6: Final answer
    x = 135,114.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.