Home / 75,768.03-104,517.09-47,424.51

Finding the Fourth Proportional to 75,768.03, 104,517.09 and 47,424.51

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Solution

The fourth proportional to 75,768.03, 104,517.09 and 47,424.51 is: 65,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.03 : 104,517.09 = 47,424.51 : x
  2. Step 2: Convert to fraction form
    75,768.03/104,517.09 = 47,424.51/x
  3. Step 3: Cross multiply
    75,768.03x = 104,517.09 × 47,424.51
  4. Step 4: Simplify right side
    75,768.03x = 4,956,671,779.88
  5. Step 5: Solve for x
    x = 4,956,671,779.88/75,768.03
  6. Step 6: Final answer
    x = 65,419.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.