Home / 64,279.36-96,417.42-19,904.32

Finding the Fourth Proportional to 64,279.36, 96,417.42 and 19,904.32

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Solution

The fourth proportional to 64,279.36, 96,417.42 and 19,904.32 is: 29,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,279.36 : 96,417.42 = 19,904.32 : x
  2. Step 2: Convert to fraction form
    64,279.36/96,417.42 = 19,904.32/x
  3. Step 3: Cross multiply
    64,279.36x = 96,417.42 × 19,904.32
  4. Step 4: Simplify right side
    64,279.36x = 1,919,123,181.25
  5. Step 5: Solve for x
    x = 1,919,123,181.25/64,279.36
  6. Step 6: Final answer
    x = 29,855.98

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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.