Home / 88,075.62-121,634.46-82,433.16

Finding the Fourth Proportional to 88,075.62, 121,634.46 and 82,433.16

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Solution

The fourth proportional to 88,075.62, 121,634.46 and 82,433.16 is: 113,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,075.62 : 121,634.46 = 82,433.16 : x
  2. Step 2: Convert to fraction form
    88,075.62/121,634.46 = 82,433.16/x
  3. Step 3: Cross multiply
    88,075.62x = 121,634.46 × 82,433.16
  4. Step 4: Simplify right side
    88,075.62x = 10,026,712,902.69
  5. Step 5: Solve for x
    x = 10,026,712,902.69/88,075.62
  6. Step 6: Final answer
    x = 113,842.09

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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.