Home / 89,082.64-122,887.43-55,080.25

Finding the Fourth Proportional to 89,082.64, 122,887.43 and 55,080.25

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Solution

The fourth proportional to 89,082.64, 122,887.43 and 55,080.25 is: 75,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.64 : 122,887.43 = 55,080.25 : x
  2. Step 2: Convert to fraction form
    89,082.64/122,887.43 = 55,080.25/x
  3. Step 3: Cross multiply
    89,082.64x = 122,887.43 × 55,080.25
  4. Step 4: Simplify right side
    89,082.64x = 6,768,670,681.43
  5. Step 5: Solve for x
    x = 6,768,670,681.43/89,082.64
  6. Step 6: Final answer
    x = 75,981.93

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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.