Home / 52,133.63-78,188.45-31,079.61

Finding the Fourth Proportional to 52,133.63, 78,188.45 and 31,079.61

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Solution

The fourth proportional to 52,133.63, 78,188.45 and 31,079.61 is: 46,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.63 : 78,188.45 = 31,079.61 : x
  2. Step 2: Convert to fraction form
    52,133.63/78,188.45 = 31,079.61/x
  3. Step 3: Cross multiply
    52,133.63x = 78,188.45 × 31,079.61
  4. Step 4: Simplify right side
    52,133.63x = 2,430,066,650.28
  5. Step 5: Solve for x
    x = 2,430,066,650.28/52,133.63
  6. Step 6: Final answer
    x = 46,612.27

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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.