Home / 85,263.90-117,633.32-49,434.18

Finding the Fourth Proportional to 85,263.90, 117,633.32 and 49,434.18

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Solution

The fourth proportional to 85,263.90, 117,633.32 and 49,434.18 is: 68,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263.90 : 117,633.32 = 49,434.18 : x
  2. Step 2: Convert to fraction form
    85,263.90/117,633.32 = 49,434.18/x
  3. Step 3: Cross multiply
    85,263.90x = 117,633.32 × 49,434.18
  4. Step 4: Simplify right side
    85,263.90x = 5,815,106,714.88
  5. Step 5: Solve for x
    x = 5,815,106,714.88/85,263.90
  6. Step 6: Final answer
    x = 68,201.28

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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.