Home / 65,035.28-97,542.66-20,656.19

Finding the Fourth Proportional to 65,035.28, 97,542.66 and 20,656.19

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Solution

The fourth proportional to 65,035.28, 97,542.66 and 20,656.19 is: 30,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,035.28 : 97,542.66 = 20,656.19 : x
  2. Step 2: Convert to fraction form
    65,035.28/97,542.66 = 20,656.19/x
  3. Step 3: Cross multiply
    65,035.28x = 97,542.66 × 20,656.19
  4. Step 4: Simplify right side
    65,035.28x = 2,014,859,718.07
  5. Step 5: Solve for x
    x = 2,014,859,718.07/65,035.28
  6. Step 6: Final answer
    x = 30,981.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.