Home / 109,433.56-151,009.24-61,698.64

Finding the Fourth Proportional to 109,433.56, 151,009.24 and 61,698.64

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Solution

The fourth proportional to 109,433.56, 151,009.24 and 61,698.64 is: 85,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,433.56 : 151,009.24 = 61,698.64 : x
  2. Step 2: Convert to fraction form
    109,433.56/151,009.24 = 61,698.64/x
  3. Step 3: Cross multiply
    109,433.56x = 151,009.24 × 61,698.64
  4. Step 4: Simplify right side
    109,433.56x = 9,317,064,735.43
  5. Step 5: Solve for x
    x = 9,317,064,735.43/109,433.56
  6. Step 6: Final answer
    x = 85,139.01

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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.