Home / 42,736.49-64,097.33-11,564.45

Finding the Fourth Proportional to 42,736.49, 64,097.33 and 11,564.45

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Solution

The fourth proportional to 42,736.49, 64,097.33 and 11,564.45 is: 17,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736.49 : 64,097.33 = 11,564.45 : x
  2. Step 2: Convert to fraction form
    42,736.49/64,097.33 = 11,564.45/x
  3. Step 3: Cross multiply
    42,736.49x = 64,097.33 × 11,564.45
  4. Step 4: Simplify right side
    42,736.49x = 741,249,989.61
  5. Step 5: Solve for x
    x = 741,249,989.61/42,736.49
  6. Step 6: Final answer
    x = 17,344.66

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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.