Home / 56,165.80-77,507.94-31,016.68

Finding the Fourth Proportional to 56,165.80, 77,507.94 and 31,016.68

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Solution

The fourth proportional to 56,165.80, 77,507.94 and 31,016.68 is: 42,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.80 : 77,507.94 = 31,016.68 : x
  2. Step 2: Convert to fraction form
    56,165.80/77,507.94 = 31,016.68/x
  3. Step 3: Cross multiply
    56,165.80x = 77,507.94 × 31,016.68
  4. Step 4: Simplify right side
    56,165.80x = 2,404,038,972.44
  5. Step 5: Solve for x
    x = 2,404,038,972.44/56,165.80
  6. Step 6: Final answer
    x = 42,802.54

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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.