Home / 58,367.25-87,534.93-20,920.34

Finding the Fourth Proportional to 58,367.25, 87,534.93 and 20,920.34

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Solution

The fourth proportional to 58,367.25, 87,534.93 and 20,920.34 is: 31,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,367.25 : 87,534.93 = 20,920.34 : x
  2. Step 2: Convert to fraction form
    58,367.25/87,534.93 = 20,920.34/x
  3. Step 3: Cross multiply
    58,367.25x = 87,534.93 × 20,920.34
  4. Step 4: Simplify right side
    58,367.25x = 1,831,260,677.09
  5. Step 5: Solve for x
    x = 1,831,260,677.09/58,367.25
  6. Step 6: Final answer
    x = 31,374.80

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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.