Home / 108,132.09-149,220.79-62,835.67

Finding the Fourth Proportional to 108,132.09, 149,220.79 and 62,835.67

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Solution

The fourth proportional to 108,132.09, 149,220.79 and 62,835.67 is: 86,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,132.09 : 149,220.79 = 62,835.67 : x
  2. Step 2: Convert to fraction form
    108,132.09/149,220.79 = 62,835.67/x
  3. Step 3: Cross multiply
    108,132.09x = 149,220.79 × 62,835.67
  4. Step 4: Simplify right side
    108,132.09x = 9,376,388,317.58
  5. Step 5: Solve for x
    x = 9,376,388,317.58/108,132.09
  6. Step 6: Final answer
    x = 86,712.36

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1.5x scale

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.