Home / 111,046.14-153,234.59-63,290.57

Finding the Fourth Proportional to 111,046.14, 153,234.59 and 63,290.57

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Solution

The fourth proportional to 111,046.14, 153,234.59 and 63,290.57 is: 87,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,046.14 : 153,234.59 = 63,290.57 : x
  2. Step 2: Convert to fraction form
    111,046.14/153,234.59 = 63,290.57/x
  3. Step 3: Cross multiply
    111,046.14x = 153,234.59 × 63,290.57
  4. Step 4: Simplify right side
    111,046.14x = 9,698,303,462.19
  5. Step 5: Solve for x
    x = 9,698,303,462.19/111,046.14
  6. Step 6: Final answer
    x = 87,335.80

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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.