Home / 75,442.32-104,071.34-51,244.52

Finding the Fourth Proportional to 75,442.32, 104,071.34 and 51,244.52

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Solution

The fourth proportional to 75,442.32, 104,071.34 and 51,244.52 is: 70,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,442.32 : 104,071.34 = 51,244.52 : x
  2. Step 2: Convert to fraction form
    75,442.32/104,071.34 = 51,244.52/x
  3. Step 3: Cross multiply
    75,442.32x = 104,071.34 × 51,244.52
  4. Step 4: Simplify right side
    75,442.32x = 5,333,085,471.81
  5. Step 5: Solve for x
    x = 5,333,085,471.81/75,442.32
  6. Step 6: Final answer
    x = 70,690.90

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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.