Home / 45,732.89-68,619.78-29,088.60

Finding the Fourth Proportional to 45,732.89, 68,619.78 and 29,088.60

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Solution

The fourth proportional to 45,732.89, 68,619.78 and 29,088.60 is: 43,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,732.89 : 68,619.78 = 29,088.60 : x
  2. Step 2: Convert to fraction form
    45,732.89/68,619.78 = 29,088.60/x
  3. Step 3: Cross multiply
    45,732.89x = 68,619.78 × 29,088.60
  4. Step 4: Simplify right side
    45,732.89x = 1,996,053,332.51
  5. Step 5: Solve for x
    x = 1,996,053,332.51/45,732.89
  6. Step 6: Final answer
    x = 43,645.91

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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.