Home / 86,057.72-118,726.48-63,450.36

Finding the Fourth Proportional to 86,057.72, 118,726.48 and 63,450.36

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Solution

The fourth proportional to 86,057.72, 118,726.48 and 63,450.36 is: 87,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.72 : 118,726.48 = 63,450.36 : x
  2. Step 2: Convert to fraction form
    86,057.72/118,726.48 = 63,450.36/x
  3. Step 3: Cross multiply
    86,057.72x = 118,726.48 × 63,450.36
  4. Step 4: Simplify right side
    86,057.72x = 7,533,237,897.53
  5. Step 5: Solve for x
    x = 7,533,237,897.53/86,057.72
  6. Step 6: Final answer
    x = 87,537.04

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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.