Home / 65,012.24-89,707.78-36,328.28

Finding the Fourth Proportional to 65,012.24, 89,707.78 and 36,328.28

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Solution

The fourth proportional to 65,012.24, 89,707.78 and 36,328.28 is: 50,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,012.24 : 89,707.78 = 36,328.28 : x
  2. Step 2: Convert to fraction form
    65,012.24/89,707.78 = 36,328.28/x
  3. Step 3: Cross multiply
    65,012.24x = 89,707.78 × 36,328.28
  4. Step 4: Simplify right side
    65,012.24x = 3,258,929,350.02
  5. Step 5: Solve for x
    x = 3,258,929,350.02/65,012.24
  6. Step 6: Final answer
    x = 50,127.94

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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.