Home / 90,170.01-124,412.26-58,300.56

Finding the Fourth Proportional to 90,170.01, 124,412.26 and 58,300.56

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Solution

The fourth proportional to 90,170.01, 124,412.26 and 58,300.56 is: 80,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170.01 : 124,412.26 = 58,300.56 : x
  2. Step 2: Convert to fraction form
    90,170.01/124,412.26 = 58,300.56/x
  3. Step 3: Cross multiply
    90,170.01x = 124,412.26 × 58,300.56
  4. Step 4: Simplify right side
    90,170.01x = 7,253,304,812.77
  5. Step 5: Solve for x
    x = 7,253,304,812.77/90,170.01
  6. Step 6: Final answer
    x = 80,440.32

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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.