Home / 75,422.36-104,071.30-43,585.12

Finding the Fourth Proportional to 75,422.36, 104,071.30 and 43,585.12

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Solution

The fourth proportional to 75,422.36, 104,071.30 and 43,585.12 is: 60,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.36 : 104,071.30 = 43,585.12 : x
  2. Step 2: Convert to fraction form
    75,422.36/104,071.30 = 43,585.12/x
  3. Step 3: Cross multiply
    75,422.36x = 104,071.30 × 43,585.12
  4. Step 4: Simplify right side
    75,422.36x = 4,535,960,099.06
  5. Step 5: Solve for x
    x = 4,535,960,099.06/75,422.36
  6. Step 6: Final answer
    x = 60,140.79

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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.