Home / 85,365.03-117,681.33-67,184.25

Finding the Fourth Proportional to 85,365.03, 117,681.33 and 67,184.25

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Solution

The fourth proportional to 85,365.03, 117,681.33 and 67,184.25 is: 92,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365.03 : 117,681.33 = 67,184.25 : x
  2. Step 2: Convert to fraction form
    85,365.03/117,681.33 = 67,184.25/x
  3. Step 3: Cross multiply
    85,365.03x = 117,681.33 × 67,184.25
  4. Step 4: Simplify right side
    85,365.03x = 7,906,331,895.05
  5. Step 5: Solve for x
    x = 7,906,331,895.05/85,365.03
  6. Step 6: Final answer
    x = 92,617.92

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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.