Home / 86,671.20-119,520.96-52,684.32

Finding the Fourth Proportional to 86,671.20, 119,520.96 and 52,684.32

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Solution

The fourth proportional to 86,671.20, 119,520.96 and 52,684.32 is: 72,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,671.20 : 119,520.96 = 52,684.32 : x
  2. Step 2: Convert to fraction form
    86,671.20/119,520.96 = 52,684.32/x
  3. Step 3: Cross multiply
    86,671.20x = 119,520.96 × 52,684.32
  4. Step 4: Simplify right side
    86,671.20x = 6,296,880,503.35
  5. Step 5: Solve for x
    x = 6,296,880,503.35/86,671.20
  6. Step 6: Final answer
    x = 72,652.51

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1.5x scale

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.