Home / 85,566.48-118,082.07-47,840.64

Finding the Fourth Proportional to 85,566.48, 118,082.07 and 47,840.64

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Solution

The fourth proportional to 85,566.48, 118,082.07 and 47,840.64 is: 66,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,566.48 : 118,082.07 = 47,840.64 : x
  2. Step 2: Convert to fraction form
    85,566.48/118,082.07 = 47,840.64/x
  3. Step 3: Cross multiply
    85,566.48x = 118,082.07 × 47,840.64
  4. Step 4: Simplify right side
    85,566.48x = 5,649,121,801.32
  5. Step 5: Solve for x
    x = 5,649,121,801.32/85,566.48
  6. Step 6: Final answer
    x = 66,020.27

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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.