Home / 101,825.19-140,527.57-56,512.03

Finding the Fourth Proportional to 101,825.19, 140,527.57 and 56,512.03

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Solution

The fourth proportional to 101,825.19, 140,527.57 and 56,512.03 is: 77,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,825.19 : 140,527.57 = 56,512.03 : x
  2. Step 2: Convert to fraction form
    101,825.19/140,527.57 = 56,512.03/x
  3. Step 3: Cross multiply
    101,825.19x = 140,527.57 × 56,512.03
  4. Step 4: Simplify right side
    101,825.19x = 7,941,498,251.67
  5. Step 5: Solve for x
    x = 7,941,498,251.67/101,825.19
  6. Step 6: Final answer
    x = 77,991.49

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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.