Home / 70,714.04-106,071.06-18,123.98

Finding the Fourth Proportional to 70,714.04, 106,071.06 and 18,123.98

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Solution

The fourth proportional to 70,714.04, 106,071.06 and 18,123.98 is: 27,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.04 : 106,071.06 = 18,123.98 : x
  2. Step 2: Convert to fraction form
    70,714.04/106,071.06 = 18,123.98/x
  3. Step 3: Cross multiply
    70,714.04x = 106,071.06 × 18,123.98
  4. Step 4: Simplify right side
    70,714.04x = 1,922,429,770.02
  5. Step 5: Solve for x
    x = 1,922,429,770.02/70,714.04
  6. Step 6: Final answer
    x = 27,185.97

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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.