Home / 48,642.13-72,963.21-11,706.13

Finding the Fourth Proportional to 48,642.13, 72,963.21 and 11,706.13

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Solution

The fourth proportional to 48,642.13, 72,963.21 and 11,706.13 is: 17,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.13 : 72,963.21 = 11,706.13 : x
  2. Step 2: Convert to fraction form
    48,642.13/72,963.21 = 11,706.13/x
  3. Step 3: Cross multiply
    48,642.13x = 72,963.21 × 11,706.13
  4. Step 4: Simplify right side
    48,642.13x = 854,116,821.48
  5. Step 5: Solve for x
    x = 854,116,821.48/48,642.13
  6. Step 6: Final answer
    x = 17,559.20

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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.