Home / 85,058.17-117,393.18-51,085.42

Finding the Fourth Proportional to 85,058.17, 117,393.18 and 51,085.42

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Solution

The fourth proportional to 85,058.17, 117,393.18 and 51,085.42 is: 70,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.17 : 117,393.18 = 51,085.42 : x
  2. Step 2: Convert to fraction form
    85,058.17/117,393.18 = 51,085.42/x
  3. Step 3: Cross multiply
    85,058.17x = 117,393.18 × 51,085.42
  4. Step 4: Simplify right side
    85,058.17x = 5,997,079,905.44
  5. Step 5: Solve for x
    x = 5,997,079,905.44/85,058.17
  6. Step 6: Final answer
    x = 70,505.63

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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.