Home / 54,920.22-75,798-34,778.94

Finding the Fourth Proportional to 54,920.22, 75,798 and 34,778.94

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Solution

The fourth proportional to 54,920.22, 75,798 and 34,778.94 is: 48,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.22 : 75,798 = 34,778.94 : x
  2. Step 2: Convert to fraction form
    54,920.22/75,798 = 34,778.94/x
  3. Step 3: Cross multiply
    54,920.22x = 75,798 × 34,778.94
  4. Step 4: Simplify right side
    54,920.22x = 2,636,174,094.12
  5. Step 5: Solve for x
    x = 2,636,174,094.12/54,920.22
  6. Step 6: Final answer
    x = 48,000.06

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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.