Home / 89,923.32-124,085.97-57,600.65

Finding the Fourth Proportional to 89,923.32, 124,085.97 and 57,600.65

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Solution

The fourth proportional to 89,923.32, 124,085.97 and 57,600.65 is: 79,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.32 : 124,085.97 = 57,600.65 : x
  2. Step 2: Convert to fraction form
    89,923.32/124,085.97 = 57,600.65/x
  3. Step 3: Cross multiply
    89,923.32x = 124,085.97 × 57,600.65
  4. Step 4: Simplify right side
    89,923.32x = 7,147,432,838.10
  5. Step 5: Solve for x
    x = 7,147,432,838.10/89,923.32
  6. Step 6: Final answer
    x = 79,483.64

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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.