Home / 85,795.04-118,402-48,081.44

Finding the Fourth Proportional to 85,795.04, 118,402 and 48,081.44

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Solution

The fourth proportional to 85,795.04, 118,402 and 48,081.44 is: 66,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,795.04 : 118,402 = 48,081.44 : x
  2. Step 2: Convert to fraction form
    85,795.04/118,402 = 48,081.44/x
  3. Step 3: Cross multiply
    85,795.04x = 118,402 × 48,081.44
  4. Step 4: Simplify right side
    85,795.04x = 5,692,938,658.88
  5. Step 5: Solve for x
    x = 5,692,938,658.88/85,795.04
  6. Step 6: Final answer
    x = 66,355.10

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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.