Home / 99,594.96-149,389.44-40,429.20

Finding the Fourth Proportional to 99,594.96, 149,389.44 and 40,429.20

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Solution

The fourth proportional to 99,594.96, 149,389.44 and 40,429.20 is: 60,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.96 : 149,389.44 = 40,429.20 : x
  2. Step 2: Convert to fraction form
    99,594.96/149,389.44 = 40,429.20/x
  3. Step 3: Cross multiply
    99,594.96x = 149,389.44 × 40,429.20
  4. Step 4: Simplify right side
    99,594.96x = 6,039,695,547.65
  5. Step 5: Solve for x
    x = 6,039,695,547.65/99,594.96
  6. Step 6: Final answer
    x = 60,642.58

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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.