Home / 64,619.83-89,175.36-36,325.52

Finding the Fourth Proportional to 64,619.83, 89,175.36 and 36,325.52

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Solution

The fourth proportional to 64,619.83, 89,175.36 and 36,325.52 is: 50,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.83 : 89,175.36 = 36,325.52 : x
  2. Step 2: Convert to fraction form
    64,619.83/89,175.36 = 36,325.52/x
  3. Step 3: Cross multiply
    64,619.83x = 89,175.36 × 36,325.52
  4. Step 4: Simplify right side
    64,619.83x = 3,239,341,323.19
  5. Step 5: Solve for x
    x = 3,239,341,323.19/64,619.83
  6. Step 6: Final answer
    x = 50,129.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.