Home / 85,333.13-127,994.89-26,168.63

Finding the Fourth Proportional to 85,333.13, 127,994.89 and 26,168.63

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Solution

The fourth proportional to 85,333.13, 127,994.89 and 26,168.63 is: 39,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,333.13 : 127,994.89 = 26,168.63 : x
  2. Step 2: Convert to fraction form
    85,333.13/127,994.89 = 26,168.63/x
  3. Step 3: Cross multiply
    85,333.13x = 127,994.89 × 26,168.63
  4. Step 4: Simplify right side
    85,333.13x = 3,349,450,918.30
  5. Step 5: Solve for x
    x = 3,349,450,918.30/85,333.13
  6. Step 6: Final answer
    x = 39,251.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.