Home / 65,808.42-98,668.89-36,240.18

Finding the Fourth Proportional to 65,808.42, 98,668.89 and 36,240.18

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Solution

The fourth proportional to 65,808.42, 98,668.89 and 36,240.18 is: 54,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808.42 : 98,668.89 = 36,240.18 : x
  2. Step 2: Convert to fraction form
    65,808.42/98,668.89 = 36,240.18/x
  3. Step 3: Cross multiply
    65,808.42x = 98,668.89 × 36,240.18
  4. Step 4: Simplify right side
    65,808.42x = 3,575,778,334.00
  5. Step 5: Solve for x
    x = 3,575,778,334.00/65,808.42
  6. Step 6: Final answer
    x = 54,336.18

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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.