Home / 108,984.80-163,476.16-64,579.59

Finding the Fourth Proportional to 108,984.80, 163,476.16 and 64,579.59

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Solution

The fourth proportional to 108,984.80, 163,476.16 and 64,579.59 is: 96,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.80 : 163,476.16 = 64,579.59 : x
  2. Step 2: Convert to fraction form
    108,984.80/163,476.16 = 64,579.59/x
  3. Step 3: Cross multiply
    108,984.80x = 163,476.16 × 64,579.59
  4. Step 4: Simplify right side
    108,984.80x = 10,557,223,226.13
  5. Step 5: Solve for x
    x = 10,557,223,226.13/108,984.80
  6. Step 6: Final answer
    x = 96,868.77

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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.