Home / 52,089.89-71,883.80-28,216.63

Finding the Fourth Proportional to 52,089.89, 71,883.80 and 28,216.63

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Solution

The fourth proportional to 52,089.89, 71,883.80 and 28,216.63 is: 38,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.89 : 71,883.80 = 28,216.63 : x
  2. Step 2: Convert to fraction form
    52,089.89/71,883.80 = 28,216.63/x
  3. Step 3: Cross multiply
    52,089.89x = 71,883.80 × 28,216.63
  4. Step 4: Simplify right side
    52,089.89x = 2,028,318,598.72
  5. Step 5: Solve for x
    x = 2,028,318,598.72/52,089.89
  6. Step 6: Final answer
    x = 38,938.82

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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.