Home / 108,383.76-149,570.16-60,637.08

Finding the Fourth Proportional to 108,383.76, 149,570.16 and 60,637.08

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Solution

The fourth proportional to 108,383.76, 149,570.16 and 60,637.08 is: 83,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,383.76 : 149,570.16 = 60,637.08 : x
  2. Step 2: Convert to fraction form
    108,383.76/149,570.16 = 60,637.08/x
  3. Step 3: Cross multiply
    108,383.76x = 149,570.16 × 60,637.08
  4. Step 4: Simplify right side
    108,383.76x = 9,069,497,757.53
  5. Step 5: Solve for x
    x = 9,069,497,757.53/108,383.76
  6. Step 6: Final answer
    x = 83,679.49

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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.