Home / 85,633.04-118,174.44-51,643.28

Finding the Fourth Proportional to 85,633.04, 118,174.44 and 51,643.28

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Solution

The fourth proportional to 85,633.04, 118,174.44 and 51,643.28 is: 71,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,633.04 : 118,174.44 = 51,643.28 : x
  2. Step 2: Convert to fraction form
    85,633.04/118,174.44 = 51,643.28/x
  3. Step 3: Cross multiply
    85,633.04x = 118,174.44 × 51,643.28
  4. Step 4: Simplify right side
    85,633.04x = 6,102,915,693.76
  5. Step 5: Solve for x
    x = 6,102,915,693.76/85,633.04
  6. Step 6: Final answer
    x = 71,268.24

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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.