Home / 57,058.56-78,744.96-31,916.16

Finding the Fourth Proportional to 57,058.56, 78,744.96 and 31,916.16

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Solution

The fourth proportional to 57,058.56, 78,744.96 and 31,916.16 is: 44,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.56 : 78,744.96 = 31,916.16 : x
  2. Step 2: Convert to fraction form
    57,058.56/78,744.96 = 31,916.16/x
  3. Step 3: Cross multiply
    57,058.56x = 78,744.96 × 31,916.16
  4. Step 4: Simplify right side
    57,058.56x = 2,513,236,742.55
  5. Step 5: Solve for x
    x = 2,513,236,742.55/57,058.56
  6. Step 6: Final answer
    x = 44,046.62

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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.