Home / 112,402.56-155,113.44-62,100.48

Finding the Fourth Proportional to 112,402.56, 155,113.44 and 62,100.48

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Solution

The fourth proportional to 112,402.56, 155,113.44 and 62,100.48 is: 85,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,402.56 : 155,113.44 = 62,100.48 : x
  2. Step 2: Convert to fraction form
    112,402.56/155,113.44 = 62,100.48/x
  3. Step 3: Cross multiply
    112,402.56x = 155,113.44 × 62,100.48
  4. Step 4: Simplify right side
    112,402.56x = 9,632,619,078.45
  5. Step 5: Solve for x
    x = 9,632,619,078.45/112,402.56
  6. Step 6: Final answer
    x = 85,697.51

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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.