Home / 92,788.26-128,046.99-52,501.69

Finding the Fourth Proportional to 92,788.26, 128,046.99 and 52,501.69

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Solution

The fourth proportional to 92,788.26, 128,046.99 and 52,501.69 is: 72,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,788.26 : 128,046.99 = 52,501.69 : x
  2. Step 2: Convert to fraction form
    92,788.26/128,046.99 = 52,501.69/x
  3. Step 3: Cross multiply
    92,788.26x = 128,046.99 × 52,501.69
  4. Step 4: Simplify right side
    92,788.26x = 6,722,683,374.41
  5. Step 5: Solve for x
    x = 6,722,683,374.41/92,788.26
  6. Step 6: Final answer
    x = 72,451.87

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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.