Home / 85,795.04-118,400.40-48,068

Finding the Fourth Proportional to 85,795.04, 118,400.40 and 48,068

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Solution

The fourth proportional to 85,795.04, 118,400.40 and 48,068 is: 66,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,795.04 : 118,400.40 = 48,068 : x
  2. Step 2: Convert to fraction form
    85,795.04/118,400.40 = 48,068/x
  3. Step 3: Cross multiply
    85,795.04x = 118,400.40 × 48,068
  4. Step 4: Simplify right side
    85,795.04x = 5,691,270,427.20
  5. Step 5: Solve for x
    x = 5,691,270,427.20/85,795.04
  6. Step 6: Final answer
    x = 66,335.66

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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.