Home / 103,660.52-143,050.17-58,338.56

Finding the Fourth Proportional to 103,660.52, 143,050.17 and 58,338.56

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Solution

The fourth proportional to 103,660.52, 143,050.17 and 58,338.56 is: 80,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.52 : 143,050.17 = 58,338.56 : x
  2. Step 2: Convert to fraction form
    103,660.52/143,050.17 = 58,338.56/x
  3. Step 3: Cross multiply
    103,660.52x = 143,050.17 × 58,338.56
  4. Step 4: Simplify right side
    103,660.52x = 8,345,340,925.56
  5. Step 5: Solve for x
    x = 8,345,340,925.56/103,660.52
  6. Step 6: Final answer
    x = 80,506.45

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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.