Home / 89,880.60-124,034.31-49,595.16

Finding the Fourth Proportional to 89,880.60, 124,034.31 and 49,595.16

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Solution

The fourth proportional to 89,880.60, 124,034.31 and 49,595.16 is: 68,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.60 : 124,034.31 = 49,595.16 : x
  2. Step 2: Convert to fraction form
    89,880.60/124,034.31 = 49,595.16/x
  3. Step 3: Cross multiply
    89,880.60x = 124,034.31 × 49,595.16
  4. Step 4: Simplify right side
    89,880.60x = 6,151,501,449.94
  5. Step 5: Solve for x
    x = 6,151,501,449.94/89,880.60
  6. Step 6: Final answer
    x = 68,440.81

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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.