Home / 75,082.24-103,636.56-43,272.32

Finding the Fourth Proportional to 75,082.24, 103,636.56 and 43,272.32

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Solution

The fourth proportional to 75,082.24, 103,636.56 and 43,272.32 is: 59,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.24 : 103,636.56 = 43,272.32 : x
  2. Step 2: Convert to fraction form
    75,082.24/103,636.56 = 43,272.32/x
  3. Step 3: Cross multiply
    75,082.24x = 103,636.56 × 43,272.32
  4. Step 4: Simplify right side
    75,082.24x = 4,484,594,388.02
  5. Step 5: Solve for x
    x = 4,484,594,388.02/75,082.24
  6. Step 6: Final answer
    x = 59,729.10

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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.