Home / 66,587.86-99,933.43-49,763.15

Finding the Fourth Proportional to 66,587.86, 99,933.43 and 49,763.15

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Solution

The fourth proportional to 66,587.86, 99,933.43 and 49,763.15 is: 74,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,587.86 : 99,933.43 = 49,763.15 : x
  2. Step 2: Convert to fraction form
    66,587.86/99,933.43 = 49,763.15/x
  3. Step 3: Cross multiply
    66,587.86x = 99,933.43 × 49,763.15
  4. Step 4: Simplify right side
    66,587.86x = 4,973,002,267.10
  5. Step 5: Solve for x
    x = 4,973,002,267.10/66,587.86
  6. Step 6: Final answer
    x = 74,683.32

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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.