Home / 67,899.84-101,149.68-65,836.32

Finding the Fourth Proportional to 67,899.84, 101,149.68 and 65,836.32

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Solution

The fourth proportional to 67,899.84, 101,149.68 and 65,836.32 is: 98,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.84 : 101,149.68 = 65,836.32 : x
  2. Step 2: Convert to fraction form
    67,899.84/101,149.68 = 65,836.32/x
  3. Step 3: Cross multiply
    67,899.84x = 101,149.68 × 65,836.32
  4. Step 4: Simplify right side
    67,899.84x = 6,659,322,700.38
  5. Step 5: Solve for x
    x = 6,659,322,700.38/67,899.84
  6. Step 6: Final answer
    x = 98,075.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.