Home / 77,406.13-116,128.70-22,002.13

Finding the Fourth Proportional to 77,406.13, 116,128.70 and 22,002.13

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Solution

The fourth proportional to 77,406.13, 116,128.70 and 22,002.13 is: 33,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406.13 : 116,128.70 = 22,002.13 : x
  2. Step 2: Convert to fraction form
    77,406.13/116,128.70 = 22,002.13/x
  3. Step 3: Cross multiply
    77,406.13x = 116,128.70 × 22,002.13
  4. Step 4: Simplify right side
    77,406.13x = 2,555,078,063.48
  5. Step 5: Solve for x
    x = 2,555,078,063.48/77,406.13
  6. Step 6: Final answer
    x = 33,008.73

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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.