Home / 107,653.83-148,560.08-67,389.79

Finding the Fourth Proportional to 107,653.83, 148,560.08 and 67,389.79

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Solution

The fourth proportional to 107,653.83, 148,560.08 and 67,389.79 is: 92,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,653.83 : 148,560.08 = 67,389.79 : x
  2. Step 2: Convert to fraction form
    107,653.83/148,560.08 = 67,389.79/x
  3. Step 3: Cross multiply
    107,653.83x = 148,560.08 × 67,389.79
  4. Step 4: Simplify right side
    107,653.83x = 10,011,432,593.58
  5. Step 5: Solve for x
    x = 10,011,432,593.58/107,653.83
  6. Step 6: Final answer
    x = 92,996.53

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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.