Home / 109,973.60-164,944.20-31,095.80

Finding the Fourth Proportional to 109,973.60, 164,944.20 and 31,095.80

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Solution

The fourth proportional to 109,973.60, 164,944.20 and 31,095.80 is: 46,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.60 : 164,944.20 = 31,095.80 : x
  2. Step 2: Convert to fraction form
    109,973.60/164,944.20 = 31,095.80/x
  3. Step 3: Cross multiply
    109,973.60x = 164,944.20 × 31,095.80
  4. Step 4: Simplify right side
    109,973.60x = 5,129,071,854.36
  5. Step 5: Solve for x
    x = 5,129,071,854.36/109,973.60
  6. Step 6: Final answer
    x = 46,639.12

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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.