Home / 107,122.36-147,833.84-59,376.76

Finding the Fourth Proportional to 107,122.36, 147,833.84 and 59,376.76

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Solution

The fourth proportional to 107,122.36, 147,833.84 and 59,376.76 is: 81,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,122.36 : 147,833.84 = 59,376.76 : x
  2. Step 2: Convert to fraction form
    107,122.36/147,833.84 = 59,376.76/x
  3. Step 3: Cross multiply
    107,122.36x = 147,833.84 × 59,376.76
  4. Step 4: Simplify right side
    107,122.36x = 8,777,894,437.56
  5. Step 5: Solve for x
    x = 8,777,894,437.56/107,122.36
  6. Step 6: Final answer
    x = 81,942.69

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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.