Home / 83,741.54-125,388.66-70,455.50

Finding the Fourth Proportional to 83,741.54, 125,388.66 and 70,455.50

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Solution

The fourth proportional to 83,741.54, 125,388.66 and 70,455.50 is: 105,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,741.54 : 125,388.66 = 70,455.50 : x
  2. Step 2: Convert to fraction form
    83,741.54/125,388.66 = 70,455.50/x
  3. Step 3: Cross multiply
    83,741.54x = 125,388.66 × 70,455.50
  4. Step 4: Simplify right side
    83,741.54x = 8,834,320,734.63
  5. Step 5: Solve for x
    x = 8,834,320,734.63/83,741.54
  6. Step 6: Final answer
    x = 105,495.08

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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.