Home / 90,088.25-124,320.96-49,803.03

Finding the Fourth Proportional to 90,088.25, 124,320.96 and 49,803.03

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Solution

The fourth proportional to 90,088.25, 124,320.96 and 49,803.03 is: 68,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,088.25 : 124,320.96 = 49,803.03 : x
  2. Step 2: Convert to fraction form
    90,088.25/124,320.96 = 49,803.03/x
  3. Step 3: Cross multiply
    90,088.25x = 124,320.96 × 49,803.03
  4. Step 4: Simplify right side
    90,088.25x = 6,191,560,500.51
  5. Step 5: Solve for x
    x = 6,191,560,500.51/90,088.25
  6. Step 6: Final answer
    x = 68,727.73

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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.