Home / 70,044.14-105,054.93-20,112.88

Finding the Fourth Proportional to 70,044.14, 105,054.93 and 20,112.88

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Solution

The fourth proportional to 70,044.14, 105,054.93 and 20,112.88 is: 30,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,044.14 : 105,054.93 = 20,112.88 : x
  2. Step 2: Convert to fraction form
    70,044.14/105,054.93 = 20,112.88/x
  3. Step 3: Cross multiply
    70,044.14x = 105,054.93 × 20,112.88
  4. Step 4: Simplify right side
    70,044.14x = 2,112,957,200.50
  5. Step 5: Solve for x
    x = 2,112,957,200.50/70,044.14
  6. Step 6: Final answer
    x = 30,166.08

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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.