Home / 109,009.08-163,424.46-56,433.56

Finding the Fourth Proportional to 109,009.08, 163,424.46 and 56,433.56

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Solution

The fourth proportional to 109,009.08, 163,424.46 and 56,433.56 is: 84,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,009.08 : 163,424.46 = 56,433.56 : x
  2. Step 2: Convert to fraction form
    109,009.08/163,424.46 = 56,433.56/x
  3. Step 3: Cross multiply
    109,009.08x = 163,424.46 × 56,433.56
  4. Step 4: Simplify right side
    109,009.08x = 9,222,624,068.88
  5. Step 5: Solve for x
    x = 9,222,624,068.88/109,009.08
  6. Step 6: Final answer
    x = 84,604.18

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1.5x scale

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.