Home / 77,317.47-115,943.40-27,410.13

Finding the Fourth Proportional to 77,317.47, 115,943.40 and 27,410.13

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Solution

The fourth proportional to 77,317.47, 115,943.40 and 27,410.13 is: 41,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.47 : 115,943.40 = 27,410.13 : x
  2. Step 2: Convert to fraction form
    77,317.47/115,943.40 = 27,410.13/x
  3. Step 3: Cross multiply
    77,317.47x = 115,943.40 × 27,410.13
  4. Step 4: Simplify right side
    77,317.47x = 3,178,023,666.64
  5. Step 5: Solve for x
    x = 3,178,023,666.64/77,317.47
  6. Step 6: Final answer
    x = 41,103.57

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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.