Home / 66,269.81-99,367.06-45,235.32

Finding the Fourth Proportional to 66,269.81, 99,367.06 and 45,235.32

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Solution

The fourth proportional to 66,269.81, 99,367.06 and 45,235.32 is: 67,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.81 : 99,367.06 = 45,235.32 : x
  2. Step 2: Convert to fraction form
    66,269.81/99,367.06 = 45,235.32/x
  3. Step 3: Cross multiply
    66,269.81x = 99,367.06 × 45,235.32
  4. Step 4: Simplify right side
    66,269.81x = 4,494,900,259.72
  5. Step 5: Solve for x
    x = 4,494,900,259.72/66,269.81
  6. Step 6: Final answer
    x = 67,827.27

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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.