Home / 85,909.36-118,554.66-48,184.42

Finding the Fourth Proportional to 85,909.36, 118,554.66 and 48,184.42

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Solution

The fourth proportional to 85,909.36, 118,554.66 and 48,184.42 is: 66,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,909.36 : 118,554.66 = 48,184.42 : x
  2. Step 2: Convert to fraction form
    85,909.36/118,554.66 = 48,184.42/x
  3. Step 3: Cross multiply
    85,909.36x = 118,554.66 × 48,184.42
  4. Step 4: Simplify right side
    85,909.36x = 5,712,487,530.40
  5. Step 5: Solve for x
    x = 5,712,487,530.40/85,909.36
  6. Step 6: Final answer
    x = 66,494.36

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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.