Home / 108,339.88-149,506.20-59,943.52

Finding the Fourth Proportional to 108,339.88, 149,506.20 and 59,943.52

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Solution

The fourth proportional to 108,339.88, 149,506.20 and 59,943.52 is: 82,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.88 : 149,506.20 = 59,943.52 : x
  2. Step 2: Convert to fraction form
    108,339.88/149,506.20 = 59,943.52/x
  3. Step 3: Cross multiply
    108,339.88x = 149,506.20 × 59,943.52
  4. Step 4: Simplify right side
    108,339.88x = 8,961,927,889.82
  5. Step 5: Solve for x
    x = 8,961,927,889.82/108,339.88
  6. Step 6: Final answer
    x = 82,720.49

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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.