Home / 69,001.83-95,222.03-40,320.74

Finding the Fourth Proportional to 69,001.83, 95,222.03 and 40,320.74

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Solution

The fourth proportional to 69,001.83, 95,222.03 and 40,320.74 is: 55,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,001.83 : 95,222.03 = 40,320.74 : x
  2. Step 2: Convert to fraction form
    69,001.83/95,222.03 = 40,320.74/x
  3. Step 3: Cross multiply
    69,001.83x = 95,222.03 × 40,320.74
  4. Step 4: Simplify right side
    69,001.83x = 3,839,422,036.19
  5. Step 5: Solve for x
    x = 3,839,422,036.19/69,001.83
  6. Step 6: Final answer
    x = 55,642.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.