Home / 65,210.22-89,993.47-36,528.20

Finding the Fourth Proportional to 65,210.22, 89,993.47 and 36,528.20

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Solution

The fourth proportional to 65,210.22, 89,993.47 and 36,528.20 is: 50,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210.22 : 89,993.47 = 36,528.20 : x
  2. Step 2: Convert to fraction form
    65,210.22/89,993.47 = 36,528.20/x
  3. Step 3: Cross multiply
    65,210.22x = 89,993.47 × 36,528.20
  4. Step 4: Simplify right side
    65,210.22x = 3,287,299,604.52
  5. Step 5: Solve for x
    x = 3,287,299,604.52/65,210.22
  6. Step 6: Final answer
    x = 50,410.80

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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.