Home / 65,924.20-98,886.30-39,615.40

Finding the Fourth Proportional to 65,924.20, 98,886.30 and 39,615.40

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Solution

The fourth proportional to 65,924.20, 98,886.30 and 39,615.40 is: 59,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,924.20 : 98,886.30 = 39,615.40 : x
  2. Step 2: Convert to fraction form
    65,924.20/98,886.30 = 39,615.40/x
  3. Step 3: Cross multiply
    65,924.20x = 98,886.30 × 39,615.40
  4. Step 4: Simplify right side
    65,924.20x = 3,917,420,329.02
  5. Step 5: Solve for x
    x = 3,917,420,329.02/65,924.20
  6. Step 6: Final answer
    x = 59,423.10

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Similar ratio
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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.