Home / 65,031.12-89,743.14-36,736.20

Finding the Fourth Proportional to 65,031.12, 89,743.14 and 36,736.20

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Solution

The fourth proportional to 65,031.12, 89,743.14 and 36,736.20 is: 50,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.12 : 89,743.14 = 36,736.20 : x
  2. Step 2: Convert to fraction form
    65,031.12/89,743.14 = 36,736.20/x
  3. Step 3: Cross multiply
    65,031.12x = 89,743.14 × 36,736.20
  4. Step 4: Simplify right side
    65,031.12x = 3,296,821,939.67
  5. Step 5: Solve for x
    x = 3,296,821,939.67/65,031.12
  6. Step 6: Final answer
    x = 50,696.07

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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.