Home / 103,342.45-142,601.56-58,025.38

Finding the Fourth Proportional to 103,342.45, 142,601.56 and 58,025.38

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Solution

The fourth proportional to 103,342.45, 142,601.56 and 58,025.38 is: 80,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.45 : 142,601.56 = 58,025.38 : x
  2. Step 2: Convert to fraction form
    103,342.45/142,601.56 = 58,025.38/x
  3. Step 3: Cross multiply
    103,342.45x = 142,601.56 × 58,025.38
  4. Step 4: Simplify right side
    103,342.45x = 8,274,508,994.59
  5. Step 5: Solve for x
    x = 8,274,508,994.59/103,342.45
  6. Step 6: Final answer
    x = 80,068.83

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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.