Home / 56,214.75-77,576.56-31,064.25

Finding the Fourth Proportional to 56,214.75, 77,576.56 and 31,064.25

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Solution

The fourth proportional to 56,214.75, 77,576.56 and 31,064.25 is: 42,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,214.75 : 77,576.56 = 31,064.25 : x
  2. Step 2: Convert to fraction form
    56,214.75/77,576.56 = 31,064.25/x
  3. Step 3: Cross multiply
    56,214.75x = 77,576.56 × 31,064.25
  4. Step 4: Simplify right side
    56,214.75x = 2,409,857,576.32
  5. Step 5: Solve for x
    x = 2,409,857,576.32/56,214.75
  6. Step 6: Final answer
    x = 42,868.78

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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.