Home / 109,715.32-151,364.26-63,767.32

Finding the Fourth Proportional to 109,715.32, 151,364.26 and 63,767.32

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Solution

The fourth proportional to 109,715.32, 151,364.26 and 63,767.32 is: 87,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.32 : 151,364.26 = 63,767.32 : x
  2. Step 2: Convert to fraction form
    109,715.32/151,364.26 = 63,767.32/x
  3. Step 3: Cross multiply
    109,715.32x = 151,364.26 × 63,767.32
  4. Step 4: Simplify right side
    109,715.32x = 9,652,093,203.98
  5. Step 5: Solve for x
    x = 9,652,093,203.98/109,715.32
  6. Step 6: Final answer
    x = 87,973.98

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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.