Home / 64,298.07-96,472.40-19,928.25

Finding the Fourth Proportional to 64,298.07, 96,472.40 and 19,928.25

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Solution

The fourth proportional to 64,298.07, 96,472.40 and 19,928.25 is: 29,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,298.07 : 96,472.40 = 19,928.25 : x
  2. Step 2: Convert to fraction form
    64,298.07/96,472.40 = 19,928.25/x
  3. Step 3: Cross multiply
    64,298.07x = 96,472.40 × 19,928.25
  4. Step 4: Simplify right side
    64,298.07x = 1,922,526,005.66
  5. Step 5: Solve for x
    x = 1,922,526,005.66/64,298.07
  6. Step 6: Final answer
    x = 29,900.21

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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.