Home / 57,491.32-86,335.08-31,247.32

Finding the Fourth Proportional to 57,491.32, 86,335.08 and 31,247.32

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Solution

The fourth proportional to 57,491.32, 86,335.08 and 31,247.32 is: 46,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.32 : 86,335.08 = 31,247.32 : x
  2. Step 2: Convert to fraction form
    57,491.32/86,335.08 = 31,247.32/x
  3. Step 3: Cross multiply
    57,491.32x = 86,335.08 × 31,247.32
  4. Step 4: Simplify right side
    57,491.32x = 2,697,739,871.99
  5. Step 5: Solve for x
    x = 2,697,739,871.99/57,491.32
  6. Step 6: Final answer
    x = 46,924.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.