Home / 108,409.30-149,576.45-62,457.69

Finding the Fourth Proportional to 108,409.30, 149,576.45 and 62,457.69

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Solution

The fourth proportional to 108,409.30, 149,576.45 and 62,457.69 is: 86,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,409.30 : 149,576.45 = 62,457.69 : x
  2. Step 2: Convert to fraction form
    108,409.30/149,576.45 = 62,457.69/x
  3. Step 3: Cross multiply
    108,409.30x = 149,576.45 × 62,457.69
  4. Step 4: Simplify right side
    108,409.30x = 9,342,199,545.40
  5. Step 5: Solve for x
    x = 9,342,199,545.40/108,409.30
  6. Step 6: Final answer
    x = 86,175.26

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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.