Home / 90,200.73-124,475.14-49,914.47

Finding the Fourth Proportional to 90,200.73, 124,475.14 and 49,914.47

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Solution

The fourth proportional to 90,200.73, 124,475.14 and 49,914.47 is: 68,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,200.73 : 124,475.14 = 49,914.47 : x
  2. Step 2: Convert to fraction form
    90,200.73/124,475.14 = 49,914.47/x
  3. Step 3: Cross multiply
    90,200.73x = 124,475.14 × 49,914.47
  4. Step 4: Simplify right side
    90,200.73x = 6,213,110,018.90
  5. Step 5: Solve for x
    x = 6,213,110,018.90/90,200.73
  6. Step 6: Final answer
    x = 68,880.93

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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.