Home / 76,386.83-114,340.37-48,209.40

Finding the Fourth Proportional to 76,386.83, 114,340.37 and 48,209.40

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Solution

The fourth proportional to 76,386.83, 114,340.37 and 48,209.40 is: 72,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.83 : 114,340.37 = 48,209.40 : x
  2. Step 2: Convert to fraction form
    76,386.83/114,340.37 = 48,209.40/x
  3. Step 3: Cross multiply
    76,386.83x = 114,340.37 × 48,209.40
  4. Step 4: Simplify right side
    76,386.83x = 5,512,280,392.43
  5. Step 5: Solve for x
    x = 5,512,280,392.43/76,386.83
  6. Step 6: Final answer
    x = 72,162.71

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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.