Home / 76,901.20-115,281.33-26,954.07

Finding the Fourth Proportional to 76,901.20, 115,281.33 and 26,954.07

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Solution

The fourth proportional to 76,901.20, 115,281.33 and 26,954.07 is: 40,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,901.20 : 115,281.33 = 26,954.07 : x
  2. Step 2: Convert to fraction form
    76,901.20/115,281.33 = 26,954.07/x
  3. Step 3: Cross multiply
    76,901.20x = 115,281.33 × 26,954.07
  4. Step 4: Simplify right side
    76,901.20x = 3,107,300,505.13
  5. Step 5: Solve for x
    x = 3,107,300,505.13/76,901.20
  6. Step 6: Final answer
    x = 40,406.40

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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.