Home / 52,133.61-78,188.34-31,079.55

Finding the Fourth Proportional to 52,133.61, 78,188.34 and 31,079.55

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Solution

The fourth proportional to 52,133.61, 78,188.34 and 31,079.55 is: 46,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.61 : 78,188.34 = 31,079.55 : x
  2. Step 2: Convert to fraction form
    52,133.61/78,188.34 = 31,079.55/x
  3. Step 3: Cross multiply
    52,133.61x = 78,188.34 × 31,079.55
  4. Step 4: Simplify right side
    52,133.61x = 2,430,058,422.45
  5. Step 5: Solve for x
    x = 2,430,058,422.45/52,133.61
  6. Step 6: Final answer
    x = 46,612.13

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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.