Home / 77,733.74-116,611.55-38,291.19

Finding the Fourth Proportional to 77,733.74, 116,611.55 and 38,291.19

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Solution

The fourth proportional to 77,733.74, 116,611.55 and 38,291.19 is: 57,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,733.74 : 116,611.55 = 38,291.19 : x
  2. Step 2: Convert to fraction form
    77,733.74/116,611.55 = 38,291.19/x
  3. Step 3: Cross multiply
    77,733.74x = 116,611.55 × 38,291.19
  4. Step 4: Simplify right side
    77,733.74x = 4,465,194,825.79
  5. Step 5: Solve for x
    x = 4,465,194,825.79/77,733.74
  6. Step 6: Final answer
    x = 57,442.18

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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.