Home / 65,466.05-98,199.14-18,718.92

Finding the Fourth Proportional to 65,466.05, 98,199.14 and 18,718.92

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Solution

The fourth proportional to 65,466.05, 98,199.14 and 18,718.92 is: 28,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,466.05 : 98,199.14 = 18,718.92 : x
  2. Step 2: Convert to fraction form
    65,466.05/98,199.14 = 18,718.92/x
  3. Step 3: Cross multiply
    65,466.05x = 98,199.14 × 18,718.92
  4. Step 4: Simplify right side
    65,466.05x = 1,838,181,752.13
  5. Step 5: Solve for x
    x = 1,838,181,752.13/65,466.05
  6. Step 6: Final answer
    x = 28,078.40

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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.