Home / 83,705.06-125,557.84-20,525.48

Finding the Fourth Proportional to 83,705.06, 125,557.84 and 20,525.48

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Solution

The fourth proportional to 83,705.06, 125,557.84 and 20,525.48 is: 30,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,705.06 : 125,557.84 = 20,525.48 : x
  2. Step 2: Convert to fraction form
    83,705.06/125,557.84 = 20,525.48/x
  3. Step 3: Cross multiply
    83,705.06x = 125,557.84 × 20,525.48
  4. Step 4: Simplify right side
    83,705.06x = 2,577,134,933.76
  5. Step 5: Solve for x
    x = 2,577,134,933.76/83,705.06
  6. Step 6: Final answer
    x = 30,788.28

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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.