Home / 65,196-89,976.18-36,515.19

Finding the Fourth Proportional to 65,196, 89,976.18 and 36,515.19

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Solution

The fourth proportional to 65,196, 89,976.18 and 36,515.19 is: 50,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,196 : 89,976.18 = 36,515.19 : x
  2. Step 2: Convert to fraction form
    65,196/89,976.18 = 36,515.19/x
  3. Step 3: Cross multiply
    65,196x = 89,976.18 × 36,515.19
  4. Step 4: Simplify right side
    65,196x = 3,285,497,308.17
  5. Step 5: Solve for x
    x = 3,285,497,308.17/65,196
  6. Step 6: Final answer
    x = 50,394.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.