Home / 84,001.37-125,958.30-39,616.20

Finding the Fourth Proportional to 84,001.37, 125,958.30 and 39,616.20

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Solution

The fourth proportional to 84,001.37, 125,958.30 and 39,616.20 is: 59,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.37 : 125,958.30 = 39,616.20 : x
  2. Step 2: Convert to fraction form
    84,001.37/125,958.30 = 39,616.20/x
  3. Step 3: Cross multiply
    84,001.37x = 125,958.30 × 39,616.20
  4. Step 4: Simplify right side
    84,001.37x = 4,989,989,204.46
  5. Step 5: Solve for x
    x = 4,989,989,204.46/84,001.37
  6. Step 6: Final answer
    x = 59,403.67

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1.5x scale

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.