Home / 56,464.24-77,925.24-31,313.20

Finding the Fourth Proportional to 56,464.24, 77,925.24 and 31,313.20

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Solution

The fourth proportional to 56,464.24, 77,925.24 and 31,313.20 is: 43,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464.24 : 77,925.24 = 31,313.20 : x
  2. Step 2: Convert to fraction form
    56,464.24/77,925.24 = 31,313.20/x
  3. Step 3: Cross multiply
    56,464.24x = 77,925.24 × 31,313.20
  4. Step 4: Simplify right side
    56,464.24x = 2,440,088,625.17
  5. Step 5: Solve for x
    x = 2,440,088,625.17/56,464.24
  6. Step 6: Final answer
    x = 43,214.76

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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.