Home / 109,334.55-150,884.60-61,585.05

Finding the Fourth Proportional to 109,334.55, 150,884.60 and 61,585.05

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Solution

The fourth proportional to 109,334.55, 150,884.60 and 61,585.05 is: 84,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,334.55 : 150,884.60 = 61,585.05 : x
  2. Step 2: Convert to fraction form
    109,334.55/150,884.60 = 61,585.05/x
  3. Step 3: Cross multiply
    109,334.55x = 150,884.60 × 61,585.05
  4. Step 4: Simplify right side
    109,334.55x = 9,292,235,327.30
  5. Step 5: Solve for x
    x = 9,292,235,327.30/109,334.55
  6. Step 6: Final answer
    x = 84,989.01

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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.