Home / 111,046.72-153,248.44-63,292.36

Finding the Fourth Proportional to 111,046.72, 153,248.44 and 63,292.36

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Solution

The fourth proportional to 111,046.72, 153,248.44 and 63,292.36 is: 87,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,046.72 : 153,248.44 = 63,292.36 : x
  2. Step 2: Convert to fraction form
    111,046.72/153,248.44 = 63,292.36/x
  3. Step 3: Cross multiply
    111,046.72x = 153,248.44 × 63,292.36
  4. Step 4: Simplify right side
    111,046.72x = 9,699,455,433.92
  5. Step 5: Solve for x
    x = 9,699,455,433.92/111,046.72
  6. Step 6: Final answer
    x = 87,345.72

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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.