Home / 108,343.92-149,483.55-62,395.05

Finding the Fourth Proportional to 108,343.92, 149,483.55 and 62,395.05

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Solution

The fourth proportional to 108,343.92, 149,483.55 and 62,395.05 is: 86,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,343.92 : 149,483.55 = 62,395.05 : x
  2. Step 2: Convert to fraction form
    108,343.92/149,483.55 = 62,395.05/x
  3. Step 3: Cross multiply
    108,343.92x = 149,483.55 × 62,395.05
  4. Step 4: Simplify right side
    108,343.92x = 9,327,033,576.43
  5. Step 5: Solve for x
    x = 9,327,033,576.43/108,343.92
  6. Step 6: Final answer
    x = 86,087.28

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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.