Home / 109,904.60-164,883.90-31,017.80

Finding the Fourth Proportional to 109,904.60, 164,883.90 and 31,017.80

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Solution

The fourth proportional to 109,904.60, 164,883.90 and 31,017.80 is: 46,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,904.60 : 164,883.90 = 31,017.80 : x
  2. Step 2: Convert to fraction form
    109,904.60/164,883.90 = 31,017.80/x
  3. Step 3: Cross multiply
    109,904.60x = 164,883.90 × 31,017.80
  4. Step 4: Simplify right side
    109,904.60x = 5,114,335,833.42
  5. Step 5: Solve for x
    x = 5,114,335,833.42/109,904.60
  6. Step 6: Final answer
    x = 46,534.32

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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.