Home / 109,507.24-151,110.93-61,772.32

Finding the Fourth Proportional to 109,507.24, 151,110.93 and 61,772.32

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Solution

The fourth proportional to 109,507.24, 151,110.93 and 61,772.32 is: 85,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,507.24 : 151,110.93 = 61,772.32 : x
  2. Step 2: Convert to fraction form
    109,507.24/151,110.93 = 61,772.32/x
  3. Step 3: Cross multiply
    109,507.24x = 151,110.93 × 61,772.32
  4. Step 4: Simplify right side
    109,507.24x = 9,334,472,723.46
  5. Step 5: Solve for x
    x = 9,334,472,723.46/109,507.24
  6. Step 6: Final answer
    x = 85,240.69

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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.