Home / 74,986.64-112,479.75-25,066.74

Finding the Fourth Proportional to 74,986.64, 112,479.75 and 25,066.74

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Solution

The fourth proportional to 74,986.64, 112,479.75 and 25,066.74 is: 37,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,986.64 : 112,479.75 = 25,066.74 : x
  2. Step 2: Convert to fraction form
    74,986.64/112,479.75 = 25,066.74/x
  3. Step 3: Cross multiply
    74,986.64x = 112,479.75 × 25,066.74
  4. Step 4: Simplify right side
    74,986.64x = 2,819,500,648.52
  5. Step 5: Solve for x
    x = 2,819,500,648.52/74,986.64
  6. Step 6: Final answer
    x = 37,600.04

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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.