Home / 108,386.67-149,579.42-60,637.17

Finding the Fourth Proportional to 108,386.67, 149,579.42 and 60,637.17

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Solution

The fourth proportional to 108,386.67, 149,579.42 and 60,637.17 is: 83,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,386.67 : 149,579.42 = 60,637.17 : x
  2. Step 2: Convert to fraction form
    108,386.67/149,579.42 = 60,637.17/x
  3. Step 3: Cross multiply
    108,386.67x = 149,579.42 × 60,637.17
  4. Step 4: Simplify right side
    108,386.67x = 9,070,072,719.04
  5. Step 5: Solve for x
    x = 9,070,072,719.04/108,386.67
  6. Step 6: Final answer
    x = 83,682.55

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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.