Home / 102,922.64-142,035.92-60,483.52

Finding the Fourth Proportional to 102,922.64, 142,035.92 and 60,483.52

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Solution

The fourth proportional to 102,922.64, 142,035.92 and 60,483.52 is: 83,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,922.64 : 142,035.92 = 60,483.52 : x
  2. Step 2: Convert to fraction form
    102,922.64/142,035.92 = 60,483.52/x
  3. Step 3: Cross multiply
    102,922.64x = 142,035.92 × 60,483.52
  4. Step 4: Simplify right side
    102,922.64x = 8,590,832,408.04
  5. Step 5: Solve for x
    x = 8,590,832,408.04/102,922.64
  6. Step 6: Final answer
    x = 83,468.83

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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.