Home / 110,991.06-153,130.86-62,586.90

Finding the Fourth Proportional to 110,991.06, 153,130.86 and 62,586.90

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Solution

The fourth proportional to 110,991.06, 153,130.86 and 62,586.90 is: 86,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,991.06 : 153,130.86 = 62,586.90 : x
  2. Step 2: Convert to fraction form
    110,991.06/153,130.86 = 62,586.90/x
  3. Step 3: Cross multiply
    110,991.06x = 153,130.86 × 62,586.90
  4. Step 4: Simplify right side
    110,991.06x = 9,583,985,821.73
  5. Step 5: Solve for x
    x = 9,583,985,821.73/110,991.06
  6. Step 6: Final answer
    x = 86,349.17

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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.