Home / 87,844.55-121,225.52-47,558.32

Finding the Fourth Proportional to 87,844.55, 121,225.52 and 47,558.32

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Solution

The fourth proportional to 87,844.55, 121,225.52 and 47,558.32 is: 65,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.55 : 121,225.52 = 47,558.32 : x
  2. Step 2: Convert to fraction form
    87,844.55/121,225.52 = 47,558.32/x
  3. Step 3: Cross multiply
    87,844.55x = 121,225.52 × 47,558.32
  4. Step 4: Simplify right side
    87,844.55x = 5,765,281,888.16
  5. Step 5: Solve for x
    x = 5,765,281,888.16/87,844.55
  6. Step 6: Final answer
    x = 65,630.51

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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.