Home / 77,344.47-115,983.90-27,437.13

Finding the Fourth Proportional to 77,344.47, 115,983.90 and 27,437.13

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Solution

The fourth proportional to 77,344.47, 115,983.90 and 27,437.13 is: 41,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344.47 : 115,983.90 = 27,437.13 : x
  2. Step 2: Convert to fraction form
    77,344.47/115,983.90 = 27,437.13/x
  3. Step 3: Cross multiply
    77,344.47x = 115,983.90 × 27,437.13
  4. Step 4: Simplify right side
    77,344.47x = 3,182,265,342.21
  5. Step 5: Solve for x
    x = 3,182,265,342.21/77,344.47
  6. Step 6: Final answer
    x = 41,144.06

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1.5x scale

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.