Home / 56,467.64-77,923.14-31,316.60

Finding the Fourth Proportional to 56,467.64, 77,923.14 and 31,316.60

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Solution

The fourth proportional to 56,467.64, 77,923.14 and 31,316.60 is: 43,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,467.64 : 77,923.14 = 31,316.60 : x
  2. Step 2: Convert to fraction form
    56,467.64/77,923.14 = 31,316.60/x
  3. Step 3: Cross multiply
    56,467.64x = 77,923.14 × 31,316.60
  4. Step 4: Simplify right side
    56,467.64x = 2,440,287,806.12
  5. Step 5: Solve for x
    x = 2,440,287,806.12/56,467.64
  6. Step 6: Final answer
    x = 43,215.69

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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.