Home / 75,557.72-104,258.24-43,287.32

Finding the Fourth Proportional to 75,557.72, 104,258.24 and 43,287.32

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Solution

The fourth proportional to 75,557.72, 104,258.24 and 43,287.32 is: 59,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,557.72 : 104,258.24 = 43,287.32 : x
  2. Step 2: Convert to fraction form
    75,557.72/104,258.24 = 43,287.32/x
  3. Step 3: Cross multiply
    75,557.72x = 104,258.24 × 43,287.32
  4. Step 4: Simplify right side
    75,557.72x = 4,513,059,797.52
  5. Step 5: Solve for x
    x = 4,513,059,797.52/75,557.72
  6. Step 6: Final answer
    x = 59,729.96

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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.