Home / 109,368.32-163,994.16-56,647.04

Finding the Fourth Proportional to 109,368.32, 163,994.16 and 56,647.04

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Solution

The fourth proportional to 109,368.32, 163,994.16 and 56,647.04 is: 84,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,368.32 : 163,994.16 = 56,647.04 : x
  2. Step 2: Convert to fraction form
    109,368.32/163,994.16 = 56,647.04/x
  3. Step 3: Cross multiply
    109,368.32x = 163,994.16 × 56,647.04
  4. Step 4: Simplify right side
    109,368.32x = 9,289,783,741.29
  5. Step 5: Solve for x
    x = 9,289,783,741.29/109,368.32
  6. Step 6: Final answer
    x = 84,940.35

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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.