Home / 112,058.21-154,640.33-61,757.21

Finding the Fourth Proportional to 112,058.21, 154,640.33 and 61,757.21

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Solution

The fourth proportional to 112,058.21, 154,640.33 and 61,757.21 is: 85,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,058.21 : 154,640.33 = 61,757.21 : x
  2. Step 2: Convert to fraction form
    112,058.21/154,640.33 = 61,757.21/x
  3. Step 3: Cross multiply
    112,058.21x = 154,640.33 × 61,757.21
  4. Step 4: Simplify right side
    112,058.21x = 9,550,154,252.29
  5. Step 5: Solve for x
    x = 9,550,154,252.29/112,058.21
  6. Step 6: Final answer
    x = 85,224.94

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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.