Home / 66,173.25-91,319.10-36,365.25

Finding the Fourth Proportional to 66,173.25, 91,319.10 and 36,365.25

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Solution

The fourth proportional to 66,173.25, 91,319.10 and 36,365.25 is: 50,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173.25 : 91,319.10 = 36,365.25 : x
  2. Step 2: Convert to fraction form
    66,173.25/91,319.10 = 36,365.25/x
  3. Step 3: Cross multiply
    66,173.25x = 91,319.10 × 36,365.25
  4. Step 4: Simplify right side
    66,173.25x = 3,320,841,901.28
  5. Step 5: Solve for x
    x = 3,320,841,901.28/66,173.25
  6. Step 6: Final answer
    x = 50,184.05

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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.