Home / 60,406.24-90,476.88-42,822.76

Finding the Fourth Proportional to 60,406.24, 90,476.88 and 42,822.76

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Solution

The fourth proportional to 60,406.24, 90,476.88 and 42,822.76 is: 64,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.24 : 90,476.88 = 42,822.76 : x
  2. Step 2: Convert to fraction form
    60,406.24/90,476.88 = 42,822.76/x
  3. Step 3: Cross multiply
    60,406.24x = 90,476.88 × 42,822.76
  4. Step 4: Simplify right side
    60,406.24x = 3,874,469,717.79
  5. Step 5: Solve for x
    x = 3,874,469,717.79/60,406.24
  6. Step 6: Final answer
    x = 64,140.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.