Home / 90,678.28-125,160.66-58,845.24

Finding the Fourth Proportional to 90,678.28, 125,160.66 and 58,845.24

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Solution

The fourth proportional to 90,678.28, 125,160.66 and 58,845.24 is: 81,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,678.28 : 125,160.66 = 58,845.24 : x
  2. Step 2: Convert to fraction form
    90,678.28/125,160.66 = 58,845.24/x
  3. Step 3: Cross multiply
    90,678.28x = 125,160.66 × 58,845.24
  4. Step 4: Simplify right side
    90,678.28x = 7,365,109,076.26
  5. Step 5: Solve for x
    x = 7,365,109,076.26/90,678.28
  6. Step 6: Final answer
    x = 81,222.42

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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.