Home / 66,148.56-99,107.28-55,126.08

Finding the Fourth Proportional to 66,148.56, 99,107.28 and 55,126.08

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Solution

The fourth proportional to 66,148.56, 99,107.28 and 55,126.08 is: 82,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.56 : 99,107.28 = 55,126.08 : x
  2. Step 2: Convert to fraction form
    66,148.56/99,107.28 = 55,126.08/x
  3. Step 3: Cross multiply
    66,148.56x = 99,107.28 × 55,126.08
  4. Step 4: Simplify right side
    66,148.56x = 5,463,395,845.86
  5. Step 5: Solve for x
    x = 5,463,395,845.86/66,148.56
  6. Step 6: Final answer
    x = 82,592.82

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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.