Home / 56,857.24-78,463.49-31,364.52

Finding the Fourth Proportional to 56,857.24, 78,463.49 and 31,364.52

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Solution

The fourth proportional to 56,857.24, 78,463.49 and 31,364.52 is: 43,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.24 : 78,463.49 = 31,364.52 : x
  2. Step 2: Convert to fraction form
    56,857.24/78,463.49 = 31,364.52/x
  3. Step 3: Cross multiply
    56,857.24x = 78,463.49 × 31,364.52
  4. Step 4: Simplify right side
    56,857.24x = 2,460,969,250.31
  5. Step 5: Solve for x
    x = 2,460,969,250.31/56,857.24
  6. Step 6: Final answer
    x = 43,283.30

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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.