Home / 75,510.60-113,330.70-33,455.40

Finding the Fourth Proportional to 75,510.60, 113,330.70 and 33,455.40

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Solution

The fourth proportional to 75,510.60, 113,330.70 and 33,455.40 is: 50,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.60 : 113,330.70 = 33,455.40 : x
  2. Step 2: Convert to fraction form
    75,510.60/113,330.70 = 33,455.40/x
  3. Step 3: Cross multiply
    75,510.60x = 113,330.70 × 33,455.40
  4. Step 4: Simplify right side
    75,510.60x = 3,791,523,900.78
  5. Step 5: Solve for x
    x = 3,791,523,900.78/75,510.60
  6. Step 6: Final answer
    x = 50,211.81

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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.