Home / 108,015.31-149,074.59-62,683.56

Finding the Fourth Proportional to 108,015.31, 149,074.59 and 62,683.56

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Solution

The fourth proportional to 108,015.31, 149,074.59 and 62,683.56 is: 86,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015.31 : 149,074.59 = 62,683.56 : x
  2. Step 2: Convert to fraction form
    108,015.31/149,074.59 = 62,683.56/x
  3. Step 3: Cross multiply
    108,015.31x = 149,074.59 × 62,683.56
  4. Step 4: Simplify right side
    108,015.31x = 9,344,526,006.74
  5. Step 5: Solve for x
    x = 9,344,526,006.74/108,015.31
  6. Step 6: Final answer
    x = 86,511.13

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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.