Home / 64,875.20-89,527.80-35,067.20

Finding the Fourth Proportional to 64,875.20, 89,527.80 and 35,067.20

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Solution

The fourth proportional to 64,875.20, 89,527.80 and 35,067.20 is: 48,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.20 : 89,527.80 = 35,067.20 : x
  2. Step 2: Convert to fraction form
    64,875.20/89,527.80 = 35,067.20/x
  3. Step 3: Cross multiply
    64,875.20x = 89,527.80 × 35,067.20
  4. Step 4: Simplify right side
    64,875.20x = 3,139,489,268.16
  5. Step 5: Solve for x
    x = 3,139,489,268.16/64,875.20
  6. Step 6: Final answer
    x = 48,392.75

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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.