Home / 90,727.47-136,075.80-27,532.35

Finding the Fourth Proportional to 90,727.47, 136,075.80 and 27,532.35

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Solution

The fourth proportional to 90,727.47, 136,075.80 and 27,532.35 is: 41,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.47 : 136,075.80 = 27,532.35 : x
  2. Step 2: Convert to fraction form
    90,727.47/136,075.80 = 27,532.35/x
  3. Step 3: Cross multiply
    90,727.47x = 136,075.80 × 27,532.35
  4. Step 4: Simplify right side
    90,727.47x = 3,746,486,552.13
  5. Step 5: Solve for x
    x = 3,746,486,552.13/90,727.47
  6. Step 6: Final answer
    x = 41,293.85

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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.