Home / 101,704.05-140,352.75-56,383.07

Finding the Fourth Proportional to 101,704.05, 140,352.75 and 56,383.07

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Solution

The fourth proportional to 101,704.05, 140,352.75 and 56,383.07 is: 77,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,704.05 : 140,352.75 = 56,383.07 : x
  2. Step 2: Convert to fraction form
    101,704.05/140,352.75 = 56,383.07/x
  3. Step 3: Cross multiply
    101,704.05x = 140,352.75 × 56,383.07
  4. Step 4: Simplify right side
    101,704.05x = 7,913,518,226.18
  5. Step 5: Solve for x
    x = 7,913,518,226.18/101,704.05
  6. Step 6: Final answer
    x = 77,809.27

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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.