Home / 107,390.81-148,199.32-59,648.60

Finding the Fourth Proportional to 107,390.81, 148,199.32 and 59,648.60

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Solution

The fourth proportional to 107,390.81, 148,199.32 and 59,648.60 is: 82,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.81 : 148,199.32 = 59,648.60 : x
  2. Step 2: Convert to fraction form
    107,390.81/148,199.32 = 59,648.60/x
  3. Step 3: Cross multiply
    107,390.81x = 148,199.32 × 59,648.60
  4. Step 4: Simplify right side
    107,390.81x = 8,839,882,404.01
  5. Step 5: Solve for x
    x = 8,839,882,404.01/107,390.81
  6. Step 6: Final answer
    x = 82,315.07

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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.