Home / 77,089.35-115,556.40-32,135.60

Finding the Fourth Proportional to 77,089.35, 115,556.40 and 32,135.60

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Solution

The fourth proportional to 77,089.35, 115,556.40 and 32,135.60 is: 48,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,089.35 : 115,556.40 = 32,135.60 : x
  2. Step 2: Convert to fraction form
    77,089.35/115,556.40 = 32,135.60/x
  3. Step 3: Cross multiply
    77,089.35x = 115,556.40 × 32,135.60
  4. Step 4: Simplify right side
    77,089.35x = 3,713,473,877.71
  5. Step 5: Solve for x
    x = 3,713,473,877.71/77,089.35
  6. Step 6: Final answer
    x = 48,171.04

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1.5x scale

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.