Home / 66,160.36-99,240.39-28,715.58

Finding the Fourth Proportional to 66,160.36, 99,240.39 and 28,715.58

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Solution

The fourth proportional to 66,160.36, 99,240.39 and 28,715.58 is: 43,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160.36 : 99,240.39 = 28,715.58 : x
  2. Step 2: Convert to fraction form
    66,160.36/99,240.39 = 28,715.58/x
  3. Step 3: Cross multiply
    66,160.36x = 99,240.39 × 28,715.58
  4. Step 4: Simplify right side
    66,160.36x = 2,849,745,358.28
  5. Step 5: Solve for x
    x = 2,849,745,358.28/66,160.36
  6. Step 6: Final answer
    x = 43,073.30

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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.