Home / 65,104.36-89,841.56-36,810.66

Finding the Fourth Proportional to 65,104.36, 89,841.56 and 36,810.66

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Solution

The fourth proportional to 65,104.36, 89,841.56 and 36,810.66 is: 50,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.36 : 89,841.56 = 36,810.66 : x
  2. Step 2: Convert to fraction form
    65,104.36/89,841.56 = 36,810.66/x
  3. Step 3: Cross multiply
    65,104.36x = 89,841.56 × 36,810.66
  4. Step 4: Simplify right side
    65,104.36x = 3,307,127,119.03
  5. Step 5: Solve for x
    x = 3,307,127,119.03/65,104.36
  6. Step 6: Final answer
    x = 50,797.32

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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.