Home / 85,529.10-118,027.62-47,803.26

Finding the Fourth Proportional to 85,529.10, 118,027.62 and 47,803.26

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Solution

The fourth proportional to 85,529.10, 118,027.62 and 47,803.26 is: 65,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,529.10 : 118,027.62 = 47,803.26 : x
  2. Step 2: Convert to fraction form
    85,529.10/118,027.62 = 47,803.26/x
  3. Step 3: Cross multiply
    85,529.10x = 118,027.62 × 47,803.26
  4. Step 4: Simplify right side
    85,529.10x = 5,642,105,006.04
  5. Step 5: Solve for x
    x = 5,642,105,006.04/85,529.10
  6. Step 6: Final answer
    x = 65,967.08

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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.