Home / 56,653.51-78,183.74-31,160.95

Finding the Fourth Proportional to 56,653.51, 78,183.74 and 31,160.95

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Solution

The fourth proportional to 56,653.51, 78,183.74 and 31,160.95 is: 43,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653.51 : 78,183.74 = 31,160.95 : x
  2. Step 2: Convert to fraction form
    56,653.51/78,183.74 = 31,160.95/x
  3. Step 3: Cross multiply
    56,653.51x = 78,183.74 × 31,160.95
  4. Step 4: Simplify right side
    56,653.51x = 2,436,279,066.23
  5. Step 5: Solve for x
    x = 2,436,279,066.23/56,653.51
  6. Step 6: Final answer
    x = 43,003.15

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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.