Home / 77,785.98-116,673.33-30,392.16

Finding the Fourth Proportional to 77,785.98, 116,673.33 and 30,392.16

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Solution

The fourth proportional to 77,785.98, 116,673.33 and 30,392.16 is: 45,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,785.98 : 116,673.33 = 30,392.16 : x
  2. Step 2: Convert to fraction form
    77,785.98/116,673.33 = 30,392.16/x
  3. Step 3: Cross multiply
    77,785.98x = 116,673.33 × 30,392.16
  4. Step 4: Simplify right side
    77,785.98x = 3,545,954,513.09
  5. Step 5: Solve for x
    x = 3,545,954,513.09/77,785.98
  6. Step 6: Final answer
    x = 45,586.04

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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.