Home / 70,680.23-106,020.08-18,089.63

Finding the Fourth Proportional to 70,680.23, 106,020.08 and 18,089.63

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Solution

The fourth proportional to 70,680.23, 106,020.08 and 18,089.63 is: 27,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.23 : 106,020.08 = 18,089.63 : x
  2. Step 2: Convert to fraction form
    70,680.23/106,020.08 = 18,089.63/x
  3. Step 3: Cross multiply
    70,680.23x = 106,020.08 × 18,089.63
  4. Step 4: Simplify right side
    70,680.23x = 1,917,863,929.32
  5. Step 5: Solve for x
    x = 1,917,863,929.32/70,680.23
  6. Step 6: Final answer
    x = 27,134.38

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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.