Home / 235,482.12-353,219.94-57,990.60

Finding the Fourth Proportional to 235,482.12, 353,219.94 and 57,990.60

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Solution

The fourth proportional to 235,482.12, 353,219.94 and 57,990.60 is: 86,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,482.12 : 353,219.94 = 57,990.60 : x
  2. Step 2: Convert to fraction form
    235,482.12/353,219.94 = 57,990.60/x
  3. Step 3: Cross multiply
    235,482.12x = 353,219.94 × 57,990.60
  4. Step 4: Simplify right side
    235,482.12x = 20,483,436,252.56
  5. Step 5: Solve for x
    x = 20,483,436,252.56/235,482.12
  6. Step 6: Final answer
    x = 86,985.10

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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.