Home / 107,390.76-148,204.20-59,644.32

Finding the Fourth Proportional to 107,390.76, 148,204.20 and 59,644.32

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Solution

The fourth proportional to 107,390.76, 148,204.20 and 59,644.32 is: 82,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.76 : 148,204.20 = 59,644.32 : x
  2. Step 2: Convert to fraction form
    107,390.76/148,204.20 = 59,644.32/x
  3. Step 3: Cross multiply
    107,390.76x = 148,204.20 × 59,644.32
  4. Step 4: Simplify right side
    107,390.76x = 8,839,538,730.14
  5. Step 5: Solve for x
    x = 8,839,538,730.14/107,390.76
  6. Step 6: Final answer
    x = 82,311.91

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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.