Home / 64,039.28-88,371.36-35,744.32

Finding the Fourth Proportional to 64,039.28, 88,371.36 and 35,744.32

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Solution

The fourth proportional to 64,039.28, 88,371.36 and 35,744.32 is: 49,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.28 : 88,371.36 = 35,744.32 : x
  2. Step 2: Convert to fraction form
    64,039.28/88,371.36 = 35,744.32/x
  3. Step 3: Cross multiply
    64,039.28x = 88,371.36 × 35,744.32
  4. Step 4: Simplify right side
    64,039.28x = 3,158,774,170.68
  5. Step 5: Solve for x
    x = 3,158,774,170.68/64,039.28
  6. Step 6: Final answer
    x = 49,325.57

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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.