Home / 109,975.60-164,947.20-31,097.80

Finding the Fourth Proportional to 109,975.60, 164,947.20 and 31,097.80

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Solution

The fourth proportional to 109,975.60, 164,947.20 and 31,097.80 is: 46,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,975.60 : 164,947.20 = 31,097.80 : x
  2. Step 2: Convert to fraction form
    109,975.60/164,947.20 = 31,097.80/x
  3. Step 3: Cross multiply
    109,975.60x = 164,947.20 × 31,097.80
  4. Step 4: Simplify right side
    109,975.60x = 5,129,495,036.16
  5. Step 5: Solve for x
    x = 5,129,495,036.16/109,975.60
  6. Step 6: Final answer
    x = 46,642.12

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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.