Home / 85,203.90-117,590.13-51,223.46

Finding the Fourth Proportional to 85,203.90, 117,590.13 and 51,223.46

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Solution

The fourth proportional to 85,203.90, 117,590.13 and 51,223.46 is: 70,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.90 : 117,590.13 = 51,223.46 : x
  2. Step 2: Convert to fraction form
    85,203.90/117,590.13 = 51,223.46/x
  3. Step 3: Cross multiply
    85,203.90x = 117,590.13 × 51,223.46
  4. Step 4: Simplify right side
    85,203.90x = 6,023,372,732.50
  5. Step 5: Solve for x
    x = 6,023,372,732.50/85,203.90
  6. Step 6: Final answer
    x = 70,693.63

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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.