Home / 65,011.24-89,706.40-36,327.28

Finding the Fourth Proportional to 65,011.24, 89,706.40 and 36,327.28

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Solution

The fourth proportional to 65,011.24, 89,706.40 and 36,327.28 is: 50,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.24 : 89,706.40 = 36,327.28 : x
  2. Step 2: Convert to fraction form
    65,011.24/89,706.40 = 36,327.28/x
  3. Step 3: Cross multiply
    65,011.24x = 89,706.40 × 36,327.28
  4. Step 4: Simplify right side
    65,011.24x = 3,258,789,510.59
  5. Step 5: Solve for x
    x = 3,258,789,510.59/65,011.24
  6. Step 6: Final answer
    x = 50,126.56

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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.