Home / 85,058.70-117,393.89-51,085.86

Finding the Fourth Proportional to 85,058.70, 117,393.89 and 51,085.86

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Solution

The fourth proportional to 85,058.70, 117,393.89 and 51,085.86 is: 70,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.70 : 117,393.89 = 51,085.86 : x
  2. Step 2: Convert to fraction form
    85,058.70/117,393.89 = 51,085.86/x
  3. Step 3: Cross multiply
    85,058.70x = 117,393.89 × 51,085.86
  4. Step 4: Simplify right side
    85,058.70x = 5,997,167,573.97
  5. Step 5: Solve for x
    x = 5,997,167,573.97/85,058.70
  6. Step 6: Final answer
    x = 70,506.22

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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.