Home / 76,720.23-115,080.08-34,550.93

Finding the Fourth Proportional to 76,720.23, 115,080.08 and 34,550.93

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Solution

The fourth proportional to 76,720.23, 115,080.08 and 34,550.93 is: 51,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,720.23 : 115,080.08 = 34,550.93 : x
  2. Step 2: Convert to fraction form
    76,720.23/115,080.08 = 34,550.93/x
  3. Step 3: Cross multiply
    76,720.23x = 115,080.08 × 34,550.93
  4. Step 4: Simplify right side
    76,720.23x = 3,976,123,903.42
  5. Step 5: Solve for x
    x = 3,976,123,903.42/76,720.23
  6. Step 6: Final answer
    x = 51,826.28

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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.