Home / 77,311.58-115,985.59-24,721.52

Finding the Fourth Proportional to 77,311.58, 115,985.59 and 24,721.52

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Solution

The fourth proportional to 77,311.58, 115,985.59 and 24,721.52 is: 37,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,311.58 : 115,985.59 = 24,721.52 : x
  2. Step 2: Convert to fraction form
    77,311.58/115,985.59 = 24,721.52/x
  3. Step 3: Cross multiply
    77,311.58x = 115,985.59 × 24,721.52
  4. Step 4: Simplify right side
    77,311.58x = 2,867,339,441.17
  5. Step 5: Solve for x
    x = 2,867,339,441.17/77,311.58
  6. Step 6: Final answer
    x = 37,088.10

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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.