Home / 209,705.96-314,535.40-57,924.62

Finding the Fourth Proportional to 209,705.96, 314,535.40 and 57,924.62

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Solution

The fourth proportional to 209,705.96, 314,535.40 and 57,924.62 is: 86,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,705.96 : 314,535.40 = 57,924.62 : x
  2. Step 2: Convert to fraction form
    209,705.96/314,535.40 = 57,924.62/x
  3. Step 3: Cross multiply
    209,705.96x = 314,535.40 × 57,924.62
  4. Step 4: Simplify right side
    209,705.96x = 18,219,343,309.39
  5. Step 5: Solve for x
    x = 18,219,343,309.39/209,705.96
  6. Step 6: Final answer
    x = 86,880.43

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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.