Home / 65,211.47-89,995.20-36,529.46

Finding the Fourth Proportional to 65,211.47, 89,995.20 and 36,529.46

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Solution

The fourth proportional to 65,211.47, 89,995.20 and 36,529.46 is: 50,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211.47 : 89,995.20 = 36,529.46 : x
  2. Step 2: Convert to fraction form
    65,211.47/89,995.20 = 36,529.46/x
  3. Step 3: Cross multiply
    65,211.47x = 89,995.20 × 36,529.46
  4. Step 4: Simplify right side
    65,211.47x = 3,287,475,425.97
  5. Step 5: Solve for x
    x = 3,287,475,425.97/65,211.47
  6. Step 6: Final answer
    x = 50,412.53

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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.