Home / 90,812.15-136,185.82-34,637.57

Finding the Fourth Proportional to 90,812.15, 136,185.82 and 34,637.57

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Solution

The fourth proportional to 90,812.15, 136,185.82 and 34,637.57 is: 51,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812.15 : 136,185.82 = 34,637.57 : x
  2. Step 2: Convert to fraction form
    90,812.15/136,185.82 = 34,637.57/x
  3. Step 3: Cross multiply
    90,812.15x = 136,185.82 × 34,637.57
  4. Step 4: Simplify right side
    90,812.15x = 4,717,145,873.26
  5. Step 5: Solve for x
    x = 4,717,145,873.26/90,812.15
  6. Step 6: Final answer
    x = 51,944.00

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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.