Home / 83,739.54-125,385.66-70,453.50

Finding the Fourth Proportional to 83,739.54, 125,385.66 and 70,453.50

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Solution

The fourth proportional to 83,739.54, 125,385.66 and 70,453.50 is: 105,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.54 : 125,385.66 = 70,453.50 : x
  2. Step 2: Convert to fraction form
    83,739.54/125,385.66 = 70,453.50/x
  3. Step 3: Cross multiply
    83,739.54x = 125,385.66 × 70,453.50
  4. Step 4: Simplify right side
    83,739.54x = 8,833,858,596.81
  5. Step 5: Solve for x
    x = 8,833,858,596.81/83,739.54
  6. Step 6: Final answer
    x = 105,492.08

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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.