Home / 94,337.23-130,078.69-72,778.27

Finding the Fourth Proportional to 94,337.23, 130,078.69 and 72,778.27

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Solution

The fourth proportional to 94,337.23, 130,078.69 and 72,778.27 is: 100,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,337.23 : 130,078.69 = 72,778.27 : x
  2. Step 2: Convert to fraction form
    94,337.23/130,078.69 = 72,778.27/x
  3. Step 3: Cross multiply
    94,337.23x = 130,078.69 × 72,778.27
  4. Step 4: Simplify right side
    94,337.23x = 9,466,902,022.07
  5. Step 5: Solve for x
    x = 9,466,902,022.07/94,337.23
  6. Step 6: Final answer
    x = 100,351.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.