Home / 108,433.51-149,638.22-60,686.85

Finding the Fourth Proportional to 108,433.51, 149,638.22 and 60,686.85

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Solution

The fourth proportional to 108,433.51, 149,638.22 and 60,686.85 is: 83,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,433.51 : 149,638.22 = 60,686.85 : x
  2. Step 2: Convert to fraction form
    108,433.51/149,638.22 = 60,686.85/x
  3. Step 3: Cross multiply
    108,433.51x = 149,638.22 × 60,686.85
  4. Step 4: Simplify right side
    108,433.51x = 9,081,071,907.97
  5. Step 5: Solve for x
    x = 9,081,071,907.97/108,433.51
  6. Step 6: Final answer
    x = 83,747.84

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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.