Home / 48,822.81-67,374.88-28,681.53

Finding the Fourth Proportional to 48,822.81, 67,374.88 and 28,681.53

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Solution

The fourth proportional to 48,822.81, 67,374.88 and 28,681.53 is: 39,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,822.81 : 67,374.88 = 28,681.53 : x
  2. Step 2: Convert to fraction form
    48,822.81/67,374.88 = 28,681.53/x
  3. Step 3: Cross multiply
    48,822.81x = 67,374.88 × 28,681.53
  4. Step 4: Simplify right side
    48,822.81x = 1,932,414,641.97
  5. Step 5: Solve for x
    x = 1,932,414,641.97/48,822.81
  6. Step 6: Final answer
    x = 39,580.16

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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.