Home / 60,135.56-90,120.22-52,219.28

Finding the Fourth Proportional to 60,135.56, 90,120.22 and 52,219.28

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Solution

The fourth proportional to 60,135.56, 90,120.22 and 52,219.28 is: 78,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,135.56 : 90,120.22 = 52,219.28 : x
  2. Step 2: Convert to fraction form
    60,135.56/90,120.22 = 52,219.28/x
  3. Step 3: Cross multiply
    60,135.56x = 90,120.22 × 52,219.28
  4. Step 4: Simplify right side
    60,135.56x = 4,706,013,001.84
  5. Step 5: Solve for x
    x = 4,706,013,001.84/60,135.56
  6. Step 6: Final answer
    x = 78,256.74

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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.