Home / 101,724.32-140,346.96-58,697.12

Finding the Fourth Proportional to 101,724.32, 140,346.96 and 58,697.12

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Solution

The fourth proportional to 101,724.32, 140,346.96 and 58,697.12 is: 80,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,724.32 : 140,346.96 = 58,697.12 : x
  2. Step 2: Convert to fraction form
    101,724.32/140,346.96 = 58,697.12/x
  3. Step 3: Cross multiply
    101,724.32x = 140,346.96 × 58,697.12
  4. Step 4: Simplify right side
    101,724.32x = 8,237,962,352.76
  5. Step 5: Solve for x
    x = 8,237,962,352.76/101,724.32
  6. Step 6: Final answer
    x = 80,983.21

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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.