Home / 89,245.53-123,159.29-48,963.02

Finding the Fourth Proportional to 89,245.53, 123,159.29 and 48,963.02

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Solution

The fourth proportional to 89,245.53, 123,159.29 and 48,963.02 is: 67,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.53 : 123,159.29 = 48,963.02 : x
  2. Step 2: Convert to fraction form
    89,245.53/123,159.29 = 48,963.02/x
  3. Step 3: Cross multiply
    89,245.53x = 123,159.29 × 48,963.02
  4. Step 4: Simplify right side
    89,245.53x = 6,030,249,918.84
  5. Step 5: Solve for x
    x = 6,030,249,918.84/89,245.53
  6. Step 6: Final answer
    x = 67,569.21

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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.