Home / 89,934.10-124,117.89-52,206.10

Finding the Fourth Proportional to 89,934.10, 124,117.89 and 52,206.10

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Solution

The fourth proportional to 89,934.10, 124,117.89 and 52,206.10 is: 72,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.10 : 124,117.89 = 52,206.10 : x
  2. Step 2: Convert to fraction form
    89,934.10/124,117.89 = 52,206.10/x
  3. Step 3: Cross multiply
    89,934.10x = 124,117.89 × 52,206.10
  4. Step 4: Simplify right side
    89,934.10x = 6,479,710,977.13
  5. Step 5: Solve for x
    x = 6,479,710,977.13/89,934.10
  6. Step 6: Final answer
    x = 72,049.54

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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.