Home / 76,985.10-115,596.45-41,993.10

Finding the Fourth Proportional to 76,985.10, 115,596.45 and 41,993.10

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Solution

The fourth proportional to 76,985.10, 115,596.45 and 41,993.10 is: 63,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,985.10 : 115,596.45 = 41,993.10 : x
  2. Step 2: Convert to fraction form
    76,985.10/115,596.45 = 41,993.10/x
  3. Step 3: Cross multiply
    76,985.10x = 115,596.45 × 41,993.10
  4. Step 4: Simplify right side
    76,985.10x = 4,854,253,284.50
  5. Step 5: Solve for x
    x = 4,854,253,284.50/76,985.10
  6. Step 6: Final answer
    x = 63,054.45

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1.5x scale

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.