Home / 83,015.02-124,526.43-26,859.53

Finding the Fourth Proportional to 83,015.02, 124,526.43 and 26,859.53

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Solution

The fourth proportional to 83,015.02, 124,526.43 and 26,859.53 is: 40,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,015.02 : 124,526.43 = 26,859.53 : x
  2. Step 2: Convert to fraction form
    83,015.02/124,526.43 = 26,859.53/x
  3. Step 3: Cross multiply
    83,015.02x = 124,526.43 × 26,859.53
  4. Step 4: Simplify right side
    83,015.02x = 3,344,721,055.03
  5. Step 5: Solve for x
    x = 3,344,721,055.03/83,015.02
  6. Step 6: Final answer
    x = 40,290.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.