Home / 113,777.62-170,684.95-42,705.85

Finding the Fourth Proportional to 113,777.62, 170,684.95 and 42,705.85

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Solution

The fourth proportional to 113,777.62, 170,684.95 and 42,705.85 is: 64,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,777.62 : 170,684.95 = 42,705.85 : x
  2. Step 2: Convert to fraction form
    113,777.62/170,684.95 = 42,705.85/x
  3. Step 3: Cross multiply
    113,777.62x = 170,684.95 × 42,705.85
  4. Step 4: Simplify right side
    113,777.62x = 7,289,244,898.40
  5. Step 5: Solve for x
    x = 7,289,244,898.40/113,777.62
  6. Step 6: Final answer
    x = 64,065.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.