Home / 75,740.10-113,480.55-48,005.70

Finding the Fourth Proportional to 75,740.10, 113,480.55 and 48,005.70

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Solution

The fourth proportional to 75,740.10, 113,480.55 and 48,005.70 is: 71,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.10 : 113,480.55 = 48,005.70 : x
  2. Step 2: Convert to fraction form
    75,740.10/113,480.55 = 48,005.70/x
  3. Step 3: Cross multiply
    75,740.10x = 113,480.55 × 48,005.70
  4. Step 4: Simplify right side
    75,740.10x = 5,447,713,239.14
  5. Step 5: Solve for x
    x = 5,447,713,239.14/75,740.10
  6. Step 6: Final answer
    x = 71,926.41

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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.