Home / 108,539.80-149,757.86-62,613.51

Finding the Fourth Proportional to 108,539.80, 149,757.86 and 62,613.51

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Solution

The fourth proportional to 108,539.80, 149,757.86 and 62,613.51 is: 86,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,539.80 : 149,757.86 = 62,613.51 : x
  2. Step 2: Convert to fraction form
    108,539.80/149,757.86 = 62,613.51/x
  3. Step 3: Cross multiply
    108,539.80x = 149,757.86 × 62,613.51
  4. Step 4: Simplify right side
    108,539.80x = 9,376,864,859.63
  5. Step 5: Solve for x
    x = 9,376,864,859.63/108,539.80
  6. Step 6: Final answer
    x = 86,391.03

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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.