Home / 89,035.20-122,847.84-58,864.32

Finding the Fourth Proportional to 89,035.20, 122,847.84 and 58,864.32

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Solution

The fourth proportional to 89,035.20, 122,847.84 and 58,864.32 is: 81,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.20 : 122,847.84 = 58,864.32 : x
  2. Step 2: Convert to fraction form
    89,035.20/122,847.84 = 58,864.32/x
  3. Step 3: Cross multiply
    89,035.20x = 122,847.84 × 58,864.32
  4. Step 4: Simplify right side
    89,035.20x = 7,231,354,565.07
  5. Step 5: Solve for x
    x = 7,231,354,565.07/89,035.20
  6. Step 6: Final answer
    x = 81,219.05

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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.