Home / 80,368.27-120,575.86-35,984.63

Finding the Fourth Proportional to 80,368.27, 120,575.86 and 35,984.63

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Solution

The fourth proportional to 80,368.27, 120,575.86 and 35,984.63 is: 53,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,368.27 : 120,575.86 = 35,984.63 : x
  2. Step 2: Convert to fraction form
    80,368.27/120,575.86 = 35,984.63/x
  3. Step 3: Cross multiply
    80,368.27x = 120,575.86 × 35,984.63
  4. Step 4: Simplify right side
    80,368.27x = 4,338,877,920.51
  5. Step 5: Solve for x
    x = 4,338,877,920.51/80,368.27
  6. Step 6: Final answer
    x = 53,987.45

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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.