Home / 61,238.04-91,857.06-19,688.28

Finding the Fourth Proportional to 61,238.04, 91,857.06 and 19,688.28

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Solution

The fourth proportional to 61,238.04, 91,857.06 and 19,688.28 is: 29,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238.04 : 91,857.06 = 19,688.28 : x
  2. Step 2: Convert to fraction form
    61,238.04/91,857.06 = 19,688.28/x
  3. Step 3: Cross multiply
    61,238.04x = 91,857.06 × 19,688.28
  4. Step 4: Simplify right side
    61,238.04x = 1,808,507,517.26
  5. Step 5: Solve for x
    x = 1,808,507,517.26/61,238.04
  6. Step 6: Final answer
    x = 29,532.42

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Similar ratio
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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.