Home / 67,786.38-93,547.60-40,923.64

Finding the Fourth Proportional to 67,786.38, 93,547.60 and 40,923.64

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Solution

The fourth proportional to 67,786.38, 93,547.60 and 40,923.64 is: 56,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,786.38 : 93,547.60 = 40,923.64 : x
  2. Step 2: Convert to fraction form
    67,786.38/93,547.60 = 40,923.64/x
  3. Step 3: Cross multiply
    67,786.38x = 93,547.60 × 40,923.64
  4. Step 4: Simplify right side
    67,786.38x = 3,828,308,305.26
  5. Step 5: Solve for x
    x = 3,828,308,305.26/67,786.38
  6. Step 6: Final answer
    x = 56,476.07

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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.