Home / 109,895.60-164,827.20-31,017.80

Finding the Fourth Proportional to 109,895.60, 164,827.20 and 31,017.80

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Solution

The fourth proportional to 109,895.60, 164,827.20 and 31,017.80 is: 46,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,895.60 : 164,827.20 = 31,017.80 : x
  2. Step 2: Convert to fraction form
    109,895.60/164,827.20 = 31,017.80/x
  3. Step 3: Cross multiply
    109,895.60x = 164,827.20 × 31,017.80
  4. Step 4: Simplify right side
    109,895.60x = 5,112,577,124.16
  5. Step 5: Solve for x
    x = 5,112,577,124.16/109,895.60
  6. Step 6: Final answer
    x = 46,522.13

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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.