Home / 109,056.36-163,531.08-64,671.24

Finding the Fourth Proportional to 109,056.36, 163,531.08 and 64,671.24

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Solution

The fourth proportional to 109,056.36, 163,531.08 and 64,671.24 is: 96,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.36 : 163,531.08 = 64,671.24 : x
  2. Step 2: Convert to fraction form
    109,056.36/163,531.08 = 64,671.24/x
  3. Step 3: Cross multiply
    109,056.36x = 163,531.08 × 64,671.24
  4. Step 4: Simplify right side
    109,056.36x = 10,575,757,722.14
  5. Step 5: Solve for x
    x = 10,575,757,722.14/109,056.36
  6. Step 6: Final answer
    x = 96,975.16

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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.