Home / 77,729.55-116,631.20-33,368.95

Finding the Fourth Proportional to 77,729.55, 116,631.20 and 33,368.95

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Solution

The fourth proportional to 77,729.55, 116,631.20 and 33,368.95 is: 50,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.55 : 116,631.20 = 33,368.95 : x
  2. Step 2: Convert to fraction form
    77,729.55/116,631.20 = 33,368.95/x
  3. Step 3: Cross multiply
    77,729.55x = 116,631.20 × 33,368.95
  4. Step 4: Simplify right side
    77,729.55x = 3,891,860,681.24
  5. Step 5: Solve for x
    x = 3,891,860,681.24/77,729.55
  6. Step 6: Final answer
    x = 50,069.26

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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.