Home / 64,328.90-88,772.91-36,035.60

Finding the Fourth Proportional to 64,328.90, 88,772.91 and 36,035.60

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Solution

The fourth proportional to 64,328.90, 88,772.91 and 36,035.60 is: 49,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.90 : 88,772.91 = 36,035.60 : x
  2. Step 2: Convert to fraction form
    64,328.90/88,772.91 = 36,035.60/x
  3. Step 3: Cross multiply
    64,328.90x = 88,772.91 × 36,035.60
  4. Step 4: Simplify right side
    64,328.90x = 3,198,985,075.60
  5. Step 5: Solve for x
    x = 3,198,985,075.60/64,328.90
  6. Step 6: Final answer
    x = 49,728.58

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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.