Home / 64,228.80-96,116.40-55,999.20

Finding the Fourth Proportional to 64,228.80, 96,116.40 and 55,999.20

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Solution

The fourth proportional to 64,228.80, 96,116.40 and 55,999.20 is: 83,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.80 : 96,116.40 = 55,999.20 : x
  2. Step 2: Convert to fraction form
    64,228.80/96,116.40 = 55,999.20/x
  3. Step 3: Cross multiply
    64,228.80x = 96,116.40 × 55,999.20
  4. Step 4: Simplify right side
    64,228.80x = 5,382,441,506.88
  5. Step 5: Solve for x
    x = 5,382,441,506.88/64,228.80
  6. Step 6: Final answer
    x = 83,801.06

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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.