Home / 108,430.63-149,650.02-62,481.35

Finding the Fourth Proportional to 108,430.63, 149,650.02 and 62,481.35

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Solution

The fourth proportional to 108,430.63, 149,650.02 and 62,481.35 is: 86,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,430.63 : 149,650.02 = 62,481.35 : x
  2. Step 2: Convert to fraction form
    108,430.63/149,650.02 = 62,481.35/x
  3. Step 3: Cross multiply
    108,430.63x = 149,650.02 × 62,481.35
  4. Step 4: Simplify right side
    108,430.63x = 9,350,335,277.13
  5. Step 5: Solve for x
    x = 9,350,335,277.13/108,430.63
  6. Step 6: Final answer
    x = 86,233.34

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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.