Home / 57,035.52-78,707.04-31,884.96

Finding the Fourth Proportional to 57,035.52, 78,707.04 and 31,884.96

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Solution

The fourth proportional to 57,035.52, 78,707.04 and 31,884.96 is: 44,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.52 : 78,707.04 = 31,884.96 : x
  2. Step 2: Convert to fraction form
    57,035.52/78,707.04 = 31,884.96/x
  3. Step 3: Cross multiply
    57,035.52x = 78,707.04 × 31,884.96
  4. Step 4: Simplify right side
    57,035.52x = 2,509,570,822.12
  5. Step 5: Solve for x
    x = 2,509,570,822.12/57,035.52
  6. Step 6: Final answer
    x = 44,000.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.