Home / 90,381.76-124,727.04-50,095.84

Finding the Fourth Proportional to 90,381.76, 124,727.04 and 50,095.84

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Solution

The fourth proportional to 90,381.76, 124,727.04 and 50,095.84 is: 69,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,381.76 : 124,727.04 = 50,095.84 : x
  2. Step 2: Convert to fraction form
    90,381.76/124,727.04 = 50,095.84/x
  3. Step 3: Cross multiply
    90,381.76x = 124,727.04 × 50,095.84
  4. Step 4: Simplify right side
    90,381.76x = 6,248,305,839.51
  5. Step 5: Solve for x
    x = 6,248,305,839.51/90,381.76
  6. Step 6: Final answer
    x = 69,132.38

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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.