Home / 76,705.08-115,064.18-23,409.05

Finding the Fourth Proportional to 76,705.08, 115,064.18 and 23,409.05

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Solution

The fourth proportional to 76,705.08, 115,064.18 and 23,409.05 is: 35,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,705.08 : 115,064.18 = 23,409.05 : x
  2. Step 2: Convert to fraction form
    76,705.08/115,064.18 = 23,409.05/x
  3. Step 3: Cross multiply
    76,705.08x = 115,064.18 × 23,409.05
  4. Step 4: Simplify right side
    76,705.08x = 2,693,542,538.25
  5. Step 5: Solve for x
    x = 2,693,542,538.25/76,705.08
  6. Step 6: Final answer
    x = 35,115.57

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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.