Home / 48,685.16-67,164.18-28,531.82

Finding the Fourth Proportional to 48,685.16, 67,164.18 and 28,531.82

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Solution

The fourth proportional to 48,685.16, 67,164.18 and 28,531.82 is: 39,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.16 : 67,164.18 = 28,531.82 : x
  2. Step 2: Convert to fraction form
    48,685.16/67,164.18 = 28,531.82/x
  3. Step 3: Cross multiply
    48,685.16x = 67,164.18 × 28,531.82
  4. Step 4: Simplify right side
    48,685.16x = 1,916,316,294.21
  5. Step 5: Solve for x
    x = 1,916,316,294.21/48,685.16
  6. Step 6: Final answer
    x = 39,361.40

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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.