Home / 92,440.70-138,448.56-58,704.20

Finding the Fourth Proportional to 92,440.70, 138,448.56 and 58,704.20

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Solution

The fourth proportional to 92,440.70, 138,448.56 and 58,704.20 is: 87,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,440.70 : 138,448.56 = 58,704.20 : x
  2. Step 2: Convert to fraction form
    92,440.70/138,448.56 = 58,704.20/x
  3. Step 3: Cross multiply
    92,440.70x = 138,448.56 × 58,704.20
  4. Step 4: Simplify right side
    92,440.70x = 8,127,512,302.07
  5. Step 5: Solve for x
    x = 8,127,512,302.07/92,440.70
  6. Step 6: Final answer
    x = 87,921.36

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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.