Home / 77,793.37-116,684.40-30,399.58

Finding the Fourth Proportional to 77,793.37, 116,684.40 and 30,399.58

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Solution

The fourth proportional to 77,793.37, 116,684.40 and 30,399.58 is: 45,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,793.37 : 116,684.40 = 30,399.58 : x
  2. Step 2: Convert to fraction form
    77,793.37/116,684.40 = 30,399.58/x
  3. Step 3: Cross multiply
    77,793.37x = 116,684.40 × 30,399.58
  4. Step 4: Simplify right side
    77,793.37x = 3,547,156,752.55
  5. Step 5: Solve for x
    x = 3,547,156,752.55/77,793.37
  6. Step 6: Final answer
    x = 45,597.16

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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.