Home / 55,301.16-76,306.73-31,102.05

Finding the Fourth Proportional to 55,301.16, 76,306.73 and 31,102.05

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Solution

The fourth proportional to 55,301.16, 76,306.73 and 31,102.05 is: 42,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.16 : 76,306.73 = 31,102.05 : x
  2. Step 2: Convert to fraction form
    55,301.16/76,306.73 = 31,102.05/x
  3. Step 3: Cross multiply
    55,301.16x = 76,306.73 × 31,102.05
  4. Step 4: Simplify right side
    55,301.16x = 2,373,295,731.80
  5. Step 5: Solve for x
    x = 2,373,295,731.80/55,301.16
  6. Step 6: Final answer
    x = 42,915.84

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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.