Home / 89,943.30-124,116.39-49,656.06

Finding the Fourth Proportional to 89,943.30, 124,116.39 and 49,656.06

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Solution

The fourth proportional to 89,943.30, 124,116.39 and 49,656.06 is: 68,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.30 : 124,116.39 = 49,656.06 : x
  2. Step 2: Convert to fraction form
    89,943.30/124,116.39 = 49,656.06/x
  3. Step 3: Cross multiply
    89,943.30x = 124,116.39 × 49,656.06
  4. Step 4: Simplify right side
    89,943.30x = 6,163,130,908.82
  5. Step 5: Solve for x
    x = 6,163,130,908.82/89,943.30
  6. Step 6: Final answer
    x = 68,522.40

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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.