Home / 77,256.60-115,928.10-32,875.80

Finding the Fourth Proportional to 77,256.60, 115,928.10 and 32,875.80

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Solution

The fourth proportional to 77,256.60, 115,928.10 and 32,875.80 is: 49,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.60 : 115,928.10 = 32,875.80 : x
  2. Step 2: Convert to fraction form
    77,256.60/115,928.10 = 32,875.80/x
  3. Step 3: Cross multiply
    77,256.60x = 115,928.10 × 32,875.80
  4. Step 4: Simplify right side
    77,256.60x = 3,811,229,029.98
  5. Step 5: Solve for x
    x = 3,811,229,029.98/77,256.60
  6. Step 6: Final answer
    x = 49,332.08

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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.