Home / 52,294.05-72,165.77-28,420.74

Finding the Fourth Proportional to 52,294.05, 72,165.77 and 28,420.74

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Solution

The fourth proportional to 52,294.05, 72,165.77 and 28,420.74 is: 39,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.05 : 72,165.77 = 28,420.74 : x
  2. Step 2: Convert to fraction form
    52,294.05/72,165.77 = 28,420.74/x
  3. Step 3: Cross multiply
    52,294.05x = 72,165.77 × 28,420.74
  4. Step 4: Simplify right side
    52,294.05x = 2,051,004,443.97
  5. Step 5: Solve for x
    x = 2,051,004,443.97/52,294.05
  6. Step 6: Final answer
    x = 39,220.61

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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.