Home / 85,803.30-118,389.24-51,817.32

Finding the Fourth Proportional to 85,803.30, 118,389.24 and 51,817.32

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Solution

The fourth proportional to 85,803.30, 118,389.24 and 51,817.32 is: 71,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.30 : 118,389.24 = 51,817.32 : x
  2. Step 2: Convert to fraction form
    85,803.30/118,389.24 = 51,817.32/x
  3. Step 3: Cross multiply
    85,803.30x = 118,389.24 × 51,817.32
  4. Step 4: Simplify right side
    85,803.30x = 6,134,613,133.64
  5. Step 5: Solve for x
    x = 6,134,613,133.64/85,803.30
  6. Step 6: Final answer
    x = 71,496.24

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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.