Home / 107,765.05-148,720.37-60,018.40

Finding the Fourth Proportional to 107,765.05, 148,720.37 and 60,018.40

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Solution

The fourth proportional to 107,765.05, 148,720.37 and 60,018.40 is: 82,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,765.05 : 148,720.37 = 60,018.40 : x
  2. Step 2: Convert to fraction form
    107,765.05/148,720.37 = 60,018.40/x
  3. Step 3: Cross multiply
    107,765.05x = 148,720.37 × 60,018.40
  4. Step 4: Simplify right side
    107,765.05x = 8,925,958,311.31
  5. Step 5: Solve for x
    x = 8,925,958,311.31/107,765.05
  6. Step 6: Final answer
    x = 82,827.95

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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.