Home / 90,938.00-136,407.02-27,758.48

Finding the Fourth Proportional to 90,938.00, 136,407.02 and 27,758.48

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Solution

The fourth proportional to 90,938.00, 136,407.02 and 27,758.48 is: 41,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938.00 : 136,407.02 = 27,758.48 : x
  2. Step 2: Convert to fraction form
    90,938.00/136,407.02 = 27,758.48/x
  3. Step 3: Cross multiply
    90,938.00x = 136,407.02 × 27,758.48
  4. Step 4: Simplify right side
    90,938.00x = 3,786,450,715.70
  5. Step 5: Solve for x
    x = 3,786,450,715.70/90,938.00
  6. Step 6: Final answer
    x = 41,637.72

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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.