Home / 85,765.24-118,413.79-53,548.91

Finding the Fourth Proportional to 85,765.24, 118,413.79 and 53,548.91

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Solution

The fourth proportional to 85,765.24, 118,413.79 and 53,548.91 is: 73,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,765.24 : 118,413.79 = 53,548.91 : x
  2. Step 2: Convert to fraction form
    85,765.24/118,413.79 = 53,548.91/x
  3. Step 3: Cross multiply
    85,765.24x = 118,413.79 × 53,548.91
  4. Step 4: Simplify right side
    85,765.24x = 6,340,929,383.47
  5. Step 5: Solve for x
    x = 6,340,929,383.47/85,765.24
  6. Step 6: Final answer
    x = 73,933.56

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1.5x scale

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.