Home / 56,213.39-77,574.51-31,062.89

Finding the Fourth Proportional to 56,213.39, 77,574.51 and 31,062.89

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Solution

The fourth proportional to 56,213.39, 77,574.51 and 31,062.89 is: 42,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.39 : 77,574.51 = 31,062.89 : x
  2. Step 2: Convert to fraction form
    56,213.39/77,574.51 = 31,062.89/x
  3. Step 3: Cross multiply
    56,213.39x = 77,574.51 × 31,062.89
  4. Step 4: Simplify right side
    56,213.39x = 2,409,688,664.87
  5. Step 5: Solve for x
    x = 2,409,688,664.87/56,213.39
  6. Step 6: Final answer
    x = 42,866.81

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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.