Home / 99,621.65-149,351.04-46,346.81

Finding the Fourth Proportional to 99,621.65, 149,351.04 and 46,346.81

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Solution

The fourth proportional to 99,621.65, 149,351.04 and 46,346.81 is: 69,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,621.65 : 149,351.04 = 46,346.81 : x
  2. Step 2: Convert to fraction form
    99,621.65/149,351.04 = 46,346.81/x
  3. Step 3: Cross multiply
    99,621.65x = 149,351.04 × 46,346.81
  4. Step 4: Simplify right side
    99,621.65x = 6,921,943,527.43
  5. Step 5: Solve for x
    x = 6,921,943,527.43/99,621.65
  6. Step 6: Final answer
    x = 69,482.32

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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.