Home / 89,646.16-123,710.66-49,359.10

Finding the Fourth Proportional to 89,646.16, 123,710.66 and 49,359.10

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Solution

The fourth proportional to 89,646.16, 123,710.66 and 49,359.10 is: 68,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,646.16 : 123,710.66 = 49,359.10 : x
  2. Step 2: Convert to fraction form
    89,646.16/123,710.66 = 49,359.10/x
  3. Step 3: Cross multiply
    89,646.16x = 123,710.66 × 49,359.10
  4. Step 4: Simplify right side
    89,646.16x = 6,106,246,838.01
  5. Step 5: Solve for x
    x = 6,106,246,838.01/89,646.16
  6. Step 6: Final answer
    x = 68,114.98

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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.