Home / 66,280.14-99,420.21-54,568.76

Finding the Fourth Proportional to 66,280.14, 99,420.21 and 54,568.76

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Solution

The fourth proportional to 66,280.14, 99,420.21 and 54,568.76 is: 81,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.14 : 99,420.21 = 54,568.76 : x
  2. Step 2: Convert to fraction form
    66,280.14/99,420.21 = 54,568.76/x
  3. Step 3: Cross multiply
    66,280.14x = 99,420.21 × 54,568.76
  4. Step 4: Simplify right side
    66,280.14x = 5,425,237,081.54
  5. Step 5: Solve for x
    x = 5,425,237,081.54/66,280.14
  6. Step 6: Final answer
    x = 81,853.13

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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.