Home / 89,923.83-124,094.90-49,637.61

Finding the Fourth Proportional to 89,923.83, 124,094.90 and 49,637.61

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Solution

The fourth proportional to 89,923.83, 124,094.90 and 49,637.61 is: 68,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.83 : 124,094.90 = 49,637.61 : x
  2. Step 2: Convert to fraction form
    89,923.83/124,094.90 = 49,637.61/x
  3. Step 3: Cross multiply
    89,923.83x = 124,094.90 × 49,637.61
  4. Step 4: Simplify right side
    89,923.83x = 6,159,774,249.19
  5. Step 5: Solve for x
    x = 6,159,774,249.19/89,923.83
  6. Step 6: Final answer
    x = 68,499.91

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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.