Home / 85,853.39-118,418.27-60,413.09

Finding the Fourth Proportional to 85,853.39, 118,418.27 and 60,413.09

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Solution

The fourth proportional to 85,853.39, 118,418.27 and 60,413.09 is: 83,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,853.39 : 118,418.27 = 60,413.09 : x
  2. Step 2: Convert to fraction form
    85,853.39/118,418.27 = 60,413.09/x
  3. Step 3: Cross multiply
    85,853.39x = 118,418.27 × 60,413.09
  4. Step 4: Simplify right side
    85,853.39x = 7,154,012,709.00
  5. Step 5: Solve for x
    x = 7,154,012,709.00/85,853.39
  6. Step 6: Final answer
    x = 83,328.25

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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.