Home / 77,676.25-116,263.75-40,184.71

Finding the Fourth Proportional to 77,676.25, 116,263.75 and 40,184.71

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Solution

The fourth proportional to 77,676.25, 116,263.75 and 40,184.71 is: 60,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,676.25 : 116,263.75 = 40,184.71 : x
  2. Step 2: Convert to fraction form
    77,676.25/116,263.75 = 40,184.71/x
  3. Step 3: Cross multiply
    77,676.25x = 116,263.75 × 40,184.71
  4. Step 4: Simplify right side
    77,676.25x = 4,672,025,077.26
  5. Step 5: Solve for x
    x = 4,672,025,077.26/77,676.25
  6. Step 6: Final answer
    x = 60,147.41

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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.