Home / 89,934.81-124,102.58-51,162.32

Finding the Fourth Proportional to 89,934.81, 124,102.58 and 51,162.32

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Solution

The fourth proportional to 89,934.81, 124,102.58 and 51,162.32 is: 70,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.81 : 124,102.58 = 51,162.32 : x
  2. Step 2: Convert to fraction form
    89,934.81/124,102.58 = 51,162.32/x
  3. Step 3: Cross multiply
    89,934.81x = 124,102.58 × 51,162.32
  4. Step 4: Simplify right side
    89,934.81x = 6,349,375,162.37
  5. Step 5: Solve for x
    x = 6,349,375,162.37/89,934.81
  6. Step 6: Final answer
    x = 70,599.75

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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.