Home / 64,716.57-97,057.04-40,988.52

Finding the Fourth Proportional to 64,716.57, 97,057.04 and 40,988.52

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Solution

The fourth proportional to 64,716.57, 97,057.04 and 40,988.52 is: 61,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.57 : 97,057.04 = 40,988.52 : x
  2. Step 2: Convert to fraction form
    64,716.57/97,057.04 = 40,988.52/x
  3. Step 3: Cross multiply
    64,716.57x = 97,057.04 × 40,988.52
  4. Step 4: Simplify right side
    64,716.57x = 3,978,224,220.24
  5. Step 5: Solve for x
    x = 3,978,224,220.24/64,716.57
  6. Step 6: Final answer
    x = 61,471.49

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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.