Home / 65,621.40-98,364.90-32,290.20

Finding the Fourth Proportional to 65,621.40, 98,364.90 and 32,290.20

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Solution

The fourth proportional to 65,621.40, 98,364.90 and 32,290.20 is: 48,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,621.40 : 98,364.90 = 32,290.20 : x
  2. Step 2: Convert to fraction form
    65,621.40/98,364.90 = 32,290.20/x
  3. Step 3: Cross multiply
    65,621.40x = 98,364.90 × 32,290.20
  4. Step 4: Simplify right side
    65,621.40x = 3,176,222,293.98
  5. Step 5: Solve for x
    x = 3,176,222,293.98/65,621.40
  6. Step 6: Final answer
    x = 48,402.23

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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.