Home / 57,269.29-79,032.05-31,427.66

Finding the Fourth Proportional to 57,269.29, 79,032.05 and 31,427.66

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Solution

The fourth proportional to 57,269.29, 79,032.05 and 31,427.66 is: 43,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.29 : 79,032.05 = 31,427.66 : x
  2. Step 2: Convert to fraction form
    57,269.29/79,032.05 = 31,427.66/x
  3. Step 3: Cross multiply
    57,269.29x = 79,032.05 × 31,427.66
  4. Step 4: Simplify right side
    57,269.29x = 2,483,792,239.36
  5. Step 5: Solve for x
    x = 2,483,792,239.36/57,269.29
  6. Step 6: Final answer
    x = 43,370.41

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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.