Home / 89,953.07-124,137.18-49,669.40

Finding the Fourth Proportional to 89,953.07, 124,137.18 and 49,669.40

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Solution

The fourth proportional to 89,953.07, 124,137.18 and 49,669.40 is: 68,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.07 : 124,137.18 = 49,669.40 : x
  2. Step 2: Convert to fraction form
    89,953.07/124,137.18 = 49,669.40/x
  3. Step 3: Cross multiply
    89,953.07x = 124,137.18 × 49,669.40
  4. Step 4: Simplify right side
    89,953.07x = 6,165,818,627.61
  5. Step 5: Solve for x
    x = 6,165,818,627.61/89,953.07
  6. Step 6: Final answer
    x = 68,544.84

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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.