Home / 108,131.09-149,219.42-62,834.67

Finding the Fourth Proportional to 108,131.09, 149,219.42 and 62,834.67

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Solution

The fourth proportional to 108,131.09, 149,219.42 and 62,834.67 is: 86,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,131.09 : 149,219.42 = 62,834.67 : x
  2. Step 2: Convert to fraction form
    108,131.09/149,219.42 = 62,834.67/x
  3. Step 3: Cross multiply
    108,131.09x = 149,219.42 × 62,834.67
  4. Step 4: Simplify right side
    108,131.09x = 9,376,152,699.12
  5. Step 5: Solve for x
    x = 9,376,152,699.12/108,131.09
  6. Step 6: Final answer
    x = 86,710.98

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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.