Home / 89,925.11-124,095.16-49,637.84

Finding the Fourth Proportional to 89,925.11, 124,095.16 and 49,637.84

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Solution

The fourth proportional to 89,925.11, 124,095.16 and 49,637.84 is: 68,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.11 : 124,095.16 = 49,637.84 : x
  2. Step 2: Convert to fraction form
    89,925.11/124,095.16 = 49,637.84/x
  3. Step 3: Cross multiply
    89,925.11x = 124,095.16 × 49,637.84
  4. Step 4: Simplify right side
    89,925.11x = 6,159,815,627.05
  5. Step 5: Solve for x
    x = 6,159,815,627.05/89,925.11
  6. Step 6: Final answer
    x = 68,499.39

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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.