Home / 61,032.54-91,439.46-21,564.48

Finding the Fourth Proportional to 61,032.54, 91,439.46 and 21,564.48

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Solution

The fourth proportional to 61,032.54, 91,439.46 and 21,564.48 is: 32,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,032.54 : 91,439.46 = 21,564.48 : x
  2. Step 2: Convert to fraction form
    61,032.54/91,439.46 = 21,564.48/x
  3. Step 3: Cross multiply
    61,032.54x = 91,439.46 × 21,564.48
  4. Step 4: Simplify right side
    61,032.54x = 1,971,843,841.36
  5. Step 5: Solve for x
    x = 1,971,843,841.36/61,032.54
  6. Step 6: Final answer
    x = 32,308.08

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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.