Home / 89,300.75-133,881.12-46,502.78

Finding the Fourth Proportional to 89,300.75, 133,881.12 and 46,502.78

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Solution

The fourth proportional to 89,300.75, 133,881.12 and 46,502.78 is: 69,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,300.75 : 133,881.12 = 46,502.78 : x
  2. Step 2: Convert to fraction form
    89,300.75/133,881.12 = 46,502.78/x
  3. Step 3: Cross multiply
    89,300.75x = 133,881.12 × 46,502.78
  4. Step 4: Simplify right side
    89,300.75x = 6,225,843,600.11
  5. Step 5: Solve for x
    x = 6,225,843,600.11/89,300.75
  6. Step 6: Final answer
    x = 69,717.71

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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.