Home / 90,133.53-124,385.07-49,850.01

Finding the Fourth Proportional to 90,133.53, 124,385.07 and 49,850.01

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Solution

The fourth proportional to 90,133.53, 124,385.07 and 49,850.01 is: 68,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,133.53 : 124,385.07 = 49,850.01 : x
  2. Step 2: Convert to fraction form
    90,133.53/124,385.07 = 49,850.01/x
  3. Step 3: Cross multiply
    90,133.53x = 124,385.07 × 49,850.01
  4. Step 4: Simplify right side
    90,133.53x = 6,200,596,983.35
  5. Step 5: Solve for x
    x = 6,200,596,983.35/90,133.53
  6. Step 6: Final answer
    x = 68,793.46

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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.