Home / 52,293.96-72,166.22-28,420.64

Finding the Fourth Proportional to 52,293.96, 72,166.22 and 28,420.64

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Solution

The fourth proportional to 52,293.96, 72,166.22 and 28,420.64 is: 39,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.96 : 72,166.22 = 28,420.64 : x
  2. Step 2: Convert to fraction form
    52,293.96/72,166.22 = 28,420.64/x
  3. Step 3: Cross multiply
    52,293.96x = 72,166.22 × 28,420.64
  4. Step 4: Simplify right side
    52,293.96x = 2,051,009,869.00
  5. Step 5: Solve for x
    x = 2,051,009,869.00/52,293.96
  6. Step 6: Final answer
    x = 39,220.78

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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.