Home / 66,467.04-99,572.60-52,352.40

Finding the Fourth Proportional to 66,467.04, 99,572.60 and 52,352.40

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Solution

The fourth proportional to 66,467.04, 99,572.60 and 52,352.40 is: 78,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.04 : 99,572.60 = 52,352.40 : x
  2. Step 2: Convert to fraction form
    66,467.04/99,572.60 = 52,352.40/x
  3. Step 3: Cross multiply
    66,467.04x = 99,572.60 × 52,352.40
  4. Step 4: Simplify right side
    66,467.04x = 5,212,864,584.24
  5. Step 5: Solve for x
    x = 5,212,864,584.24/66,467.04
  6. Step 6: Final answer
    x = 78,427.81

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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.