Home / 74,565.36-111,851.55-21,975.30

Finding the Fourth Proportional to 74,565.36, 111,851.55 and 21,975.30

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Solution

The fourth proportional to 74,565.36, 111,851.55 and 21,975.30 is: 32,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.36 : 111,851.55 = 21,975.30 : x
  2. Step 2: Convert to fraction form
    74,565.36/111,851.55 = 21,975.30/x
  3. Step 3: Cross multiply
    74,565.36x = 111,851.55 × 21,975.30
  4. Step 4: Simplify right side
    74,565.36x = 2,457,971,366.72
  5. Step 5: Solve for x
    x = 2,457,971,366.72/74,565.36
  6. Step 6: Final answer
    x = 32,963.98

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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.