Home / 109,586.32-151,230.36-61,840.24

Finding the Fourth Proportional to 109,586.32, 151,230.36 and 61,840.24

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Solution

The fourth proportional to 109,586.32, 151,230.36 and 61,840.24 is: 85,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,586.32 : 151,230.36 = 61,840.24 : x
  2. Step 2: Convert to fraction form
    109,586.32/151,230.36 = 61,840.24/x
  3. Step 3: Cross multiply
    109,586.32x = 151,230.36 × 61,840.24
  4. Step 4: Simplify right side
    109,586.32x = 9,352,121,757.69
  5. Step 5: Solve for x
    x = 9,352,121,757.69/109,586.32
  6. Step 6: Final answer
    x = 85,340.23

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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.