Home / 109,621.05-151,276.96-59,320.05

Finding the Fourth Proportional to 109,621.05, 151,276.96 and 59,320.05

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Solution

The fourth proportional to 109,621.05, 151,276.96 and 59,320.05 is: 81,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,621.05 : 151,276.96 = 59,320.05 : x
  2. Step 2: Convert to fraction form
    109,621.05/151,276.96 = 59,320.05/x
  3. Step 3: Cross multiply
    109,621.05x = 151,276.96 × 59,320.05
  4. Step 4: Simplify right side
    109,621.05x = 8,973,755,778.06
  5. Step 5: Solve for x
    x = 8,973,755,778.06/109,621.05
  6. Step 6: Final answer
    x = 81,861.61

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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.