Home / 108,473.31-149,688.68-63,152.46

Finding the Fourth Proportional to 108,473.31, 149,688.68 and 63,152.46

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Solution

The fourth proportional to 108,473.31, 149,688.68 and 63,152.46 is: 87,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,473.31 : 149,688.68 = 63,152.46 : x
  2. Step 2: Convert to fraction form
    108,473.31/149,688.68 = 63,152.46/x
  3. Step 3: Cross multiply
    108,473.31x = 149,688.68 × 63,152.46
  4. Step 4: Simplify right side
    108,473.31x = 9,453,208,060.39
  5. Step 5: Solve for x
    x = 9,453,208,060.39/108,473.31
  6. Step 6: Final answer
    x = 87,147.78

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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.