Home / 75,680.69-113,538.79-23,090.16

Finding the Fourth Proportional to 75,680.69, 113,538.79 and 23,090.16

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Solution

The fourth proportional to 75,680.69, 113,538.79 and 23,090.16 is: 34,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.69 : 113,538.79 = 23,090.16 : x
  2. Step 2: Convert to fraction form
    75,680.69/113,538.79 = 23,090.16/x
  3. Step 3: Cross multiply
    75,680.69x = 113,538.79 × 23,090.16
  4. Step 4: Simplify right side
    75,680.69x = 2,621,628,827.31
  5. Step 5: Solve for x
    x = 2,621,628,827.31/75,680.69
  6. Step 6: Final answer
    x = 34,640.66

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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.