Home / 98,051.46-147,063.30-31,482.96

Finding the Fourth Proportional to 98,051.46, 147,063.30 and 31,482.96

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Solution

The fourth proportional to 98,051.46, 147,063.30 and 31,482.96 is: 47,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051.46 : 147,063.30 = 31,482.96 : x
  2. Step 2: Convert to fraction form
    98,051.46/147,063.30 = 31,482.96/x
  3. Step 3: Cross multiply
    98,051.46x = 147,063.30 × 31,482.96
  4. Step 4: Simplify right side
    98,051.46x = 4,629,987,991.37
  5. Step 5: Solve for x
    x = 4,629,987,991.37/98,051.46
  6. Step 6: Final answer
    x = 47,219.98

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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.