Home / 63,276.95-87,319.42-36,420.32

Finding the Fourth Proportional to 63,276.95, 87,319.42 and 36,420.32

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Solution

The fourth proportional to 63,276.95, 87,319.42 and 36,420.32 is: 50,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,276.95 : 87,319.42 = 36,420.32 : x
  2. Step 2: Convert to fraction form
    63,276.95/87,319.42 = 36,420.32/x
  3. Step 3: Cross multiply
    63,276.95x = 87,319.42 × 36,420.32
  4. Step 4: Simplify right side
    63,276.95x = 3,180,200,599.92
  5. Step 5: Solve for x
    x = 3,180,200,599.92/63,276.95
  6. Step 6: Final answer
    x = 50,258.44

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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.