Home / 89,881.37-124,034.16-49,595.13

Finding the Fourth Proportional to 89,881.37, 124,034.16 and 49,595.13

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Solution

The fourth proportional to 89,881.37, 124,034.16 and 49,595.13 is: 68,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,881.37 : 124,034.16 = 49,595.13 : x
  2. Step 2: Convert to fraction form
    89,881.37/124,034.16 = 49,595.13/x
  3. Step 3: Cross multiply
    89,881.37x = 124,034.16 × 49,595.13
  4. Step 4: Simplify right side
    89,881.37x = 6,151,490,289.64
  5. Step 5: Solve for x
    x = 6,151,490,289.64/89,881.37
  6. Step 6: Final answer
    x = 68,440.11

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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.