Home / 57,083.04-85,603.32-19,632.60

Finding the Fourth Proportional to 57,083.04, 85,603.32 and 19,632.60

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Solution

The fourth proportional to 57,083.04, 85,603.32 and 19,632.60 is: 29,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.04 : 85,603.32 = 19,632.60 : x
  2. Step 2: Convert to fraction form
    57,083.04/85,603.32 = 19,632.60/x
  3. Step 3: Cross multiply
    57,083.04x = 85,603.32 × 19,632.60
  4. Step 4: Simplify right side
    57,083.04x = 1,680,615,740.23
  5. Step 5: Solve for x
    x = 1,680,615,740.23/57,083.04
  6. Step 6: Final answer
    x = 29,441.59

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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.