Home / 90,088.53-124,311.36-49,796.82

Finding the Fourth Proportional to 90,088.53, 124,311.36 and 49,796.82

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Solution

The fourth proportional to 90,088.53, 124,311.36 and 49,796.82 is: 68,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,088.53 : 124,311.36 = 49,796.82 : x
  2. Step 2: Convert to fraction form
    90,088.53/124,311.36 = 49,796.82/x
  3. Step 3: Cross multiply
    90,088.53x = 124,311.36 × 49,796.82
  4. Step 4: Simplify right side
    90,088.53x = 6,190,310,417.88
  5. Step 5: Solve for x
    x = 6,190,310,417.88/90,088.53
  6. Step 6: Final answer
    x = 68,713.64

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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.