Home / 77,309.30-116,002.35-30,563.70

Finding the Fourth Proportional to 77,309.30, 116,002.35 and 30,563.70

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Solution

The fourth proportional to 77,309.30, 116,002.35 and 30,563.70 is: 45,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309.30 : 116,002.35 = 30,563.70 : x
  2. Step 2: Convert to fraction form
    77,309.30/116,002.35 = 30,563.70/x
  3. Step 3: Cross multiply
    77,309.30x = 116,002.35 × 30,563.70
  4. Step 4: Simplify right side
    77,309.30x = 3,545,461,024.70
  5. Step 5: Solve for x
    x = 3,545,461,024.70/77,309.30
  6. Step 6: Final answer
    x = 45,860.73

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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.