Home / 56,858.82-78,461.62-31,365.48

Finding the Fourth Proportional to 56,858.82, 78,461.62 and 31,365.48

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Solution

The fourth proportional to 56,858.82, 78,461.62 and 31,365.48 is: 43,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858.82 : 78,461.62 = 31,365.48 : x
  2. Step 2: Convert to fraction form
    56,858.82/78,461.62 = 31,365.48/x
  3. Step 3: Cross multiply
    56,858.82x = 78,461.62 × 31,365.48
  4. Step 4: Simplify right side
    56,858.82x = 2,460,986,372.88
  5. Step 5: Solve for x
    x = 2,460,986,372.88/56,858.82
  6. Step 6: Final answer
    x = 43,282.40

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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.