Home / 111,146.77-153,372.81-62,746.03

Finding the Fourth Proportional to 111,146.77, 153,372.81 and 62,746.03

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Solution

The fourth proportional to 111,146.77, 153,372.81 and 62,746.03 is: 86,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.77 : 153,372.81 = 62,746.03 : x
  2. Step 2: Convert to fraction form
    111,146.77/153,372.81 = 62,746.03/x
  3. Step 3: Cross multiply
    111,146.77x = 153,372.81 × 62,746.03
  4. Step 4: Simplify right side
    111,146.77x = 9,623,534,937.44
  5. Step 5: Solve for x
    x = 9,623,534,937.44/111,146.77
  6. Step 6: Final answer
    x = 86,584.03

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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.