Home / 83,093.10-124,554.60-40,908.30

Finding the Fourth Proportional to 83,093.10, 124,554.60 and 40,908.30

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Solution

The fourth proportional to 83,093.10, 124,554.60 and 40,908.30 is: 61,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093.10 : 124,554.60 = 40,908.30 : x
  2. Step 2: Convert to fraction form
    83,093.10/124,554.60 = 40,908.30/x
  3. Step 3: Cross multiply
    83,093.10x = 124,554.60 × 40,908.30
  4. Step 4: Simplify right side
    83,093.10x = 5,095,316,943.18
  5. Step 5: Solve for x
    x = 5,095,316,943.18/83,093.10
  6. Step 6: Final answer
    x = 61,320.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.