Home / 76,883.22-115,329.69-32,501.70

Finding the Fourth Proportional to 76,883.22, 115,329.69 and 32,501.70

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Solution

The fourth proportional to 76,883.22, 115,329.69 and 32,501.70 is: 48,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,883.22 : 115,329.69 = 32,501.70 : x
  2. Step 2: Convert to fraction form
    76,883.22/115,329.69 = 32,501.70/x
  3. Step 3: Cross multiply
    76,883.22x = 115,329.69 × 32,501.70
  4. Step 4: Simplify right side
    76,883.22x = 3,748,410,985.47
  5. Step 5: Solve for x
    x = 3,748,410,985.47/76,883.22
  6. Step 6: Final answer
    x = 48,754.60

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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.