Home / 111,051.14-153,250.60-62,663.34

Finding the Fourth Proportional to 111,051.14, 153,250.60 and 62,663.34

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Solution

The fourth proportional to 111,051.14, 153,250.60 and 62,663.34 is: 86,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,051.14 : 153,250.60 = 62,663.34 : x
  2. Step 2: Convert to fraction form
    111,051.14/153,250.60 = 62,663.34/x
  3. Step 3: Cross multiply
    111,051.14x = 153,250.60 × 62,663.34
  4. Step 4: Simplify right side
    111,051.14x = 9,603,193,373.43
  5. Step 5: Solve for x
    x = 9,603,193,373.43/111,051.14
  6. Step 6: Final answer
    x = 86,475.42

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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.