Home / 83,444.82-115,158.75-47,646.06

Finding the Fourth Proportional to 83,444.82, 115,158.75 and 47,646.06

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Solution

The fourth proportional to 83,444.82, 115,158.75 and 47,646.06 is: 65,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,444.82 : 115,158.75 = 47,646.06 : x
  2. Step 2: Convert to fraction form
    83,444.82/115,158.75 = 47,646.06/x
  3. Step 3: Cross multiply
    83,444.82x = 115,158.75 × 47,646.06
  4. Step 4: Simplify right side
    83,444.82x = 5,486,860,712.03
  5. Step 5: Solve for x
    x = 5,486,860,712.03/83,444.82
  6. Step 6: Final answer
    x = 65,754.36

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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.