Home / 109,054.15-163,607.32-52,828.53

Finding the Fourth Proportional to 109,054.15, 163,607.32 and 52,828.53

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Solution

The fourth proportional to 109,054.15, 163,607.32 and 52,828.53 is: 79,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.15 : 163,607.32 = 52,828.53 : x
  2. Step 2: Convert to fraction form
    109,054.15/163,607.32 = 52,828.53/x
  3. Step 3: Cross multiply
    109,054.15x = 163,607.32 × 52,828.53
  4. Step 4: Simplify right side
    109,054.15x = 8,643,134,212.84
  5. Step 5: Solve for x
    x = 8,643,134,212.84/109,054.15
  6. Step 6: Final answer
    x = 79,255.44

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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.