Home / 65,106.81-97,651.57-18,363.45

Finding the Fourth Proportional to 65,106.81, 97,651.57 and 18,363.45

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Solution

The fourth proportional to 65,106.81, 97,651.57 and 18,363.45 is: 27,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.81 : 97,651.57 = 18,363.45 : x
  2. Step 2: Convert to fraction form
    65,106.81/97,651.57 = 18,363.45/x
  3. Step 3: Cross multiply
    65,106.81x = 97,651.57 × 18,363.45
  4. Step 4: Simplify right side
    65,106.81x = 1,793,219,723.12
  5. Step 5: Solve for x
    x = 1,793,219,723.12/65,106.81
  6. Step 6: Final answer
    x = 27,542.74

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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.