Home / 77,718.16-116,503.26-49,559.14

Finding the Fourth Proportional to 77,718.16, 116,503.26 and 49,559.14

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Solution

The fourth proportional to 77,718.16, 116,503.26 and 49,559.14 is: 74,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.16 : 116,503.26 = 49,559.14 : x
  2. Step 2: Convert to fraction form
    77,718.16/116,503.26 = 49,559.14/x
  3. Step 3: Cross multiply
    77,718.16x = 116,503.26 × 49,559.14
  4. Step 4: Simplify right side
    77,718.16x = 5,773,801,372.80
  5. Step 5: Solve for x
    x = 5,773,801,372.80/77,718.16
  6. Step 6: Final answer
    x = 74,291.53

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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.