Home / 89,925.95-124,097.09-49,639.65

Finding the Fourth Proportional to 89,925.95, 124,097.09 and 49,639.65

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Solution

The fourth proportional to 89,925.95, 124,097.09 and 49,639.65 is: 68,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.95 : 124,097.09 = 49,639.65 : x
  2. Step 2: Convert to fraction form
    89,925.95/124,097.09 = 49,639.65/x
  3. Step 3: Cross multiply
    89,925.95x = 124,097.09 × 49,639.65
  4. Step 4: Simplify right side
    89,925.95x = 6,160,135,865.42
  5. Step 5: Solve for x
    x = 6,160,135,865.42/89,925.95
  6. Step 6: Final answer
    x = 68,502.32

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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.