Home / 53,989.21-74,500.43-34,869.81

Finding the Fourth Proportional to 53,989.21, 74,500.43 and 34,869.81

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Solution

The fourth proportional to 53,989.21, 74,500.43 and 34,869.81 is: 48,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.21 : 74,500.43 = 34,869.81 : x
  2. Step 2: Convert to fraction form
    53,989.21/74,500.43 = 34,869.81/x
  3. Step 3: Cross multiply
    53,989.21x = 74,500.43 × 34,869.81
  4. Step 4: Simplify right side
    53,989.21x = 2,597,815,839.02
  5. Step 5: Solve for x
    x = 2,597,815,839.02/53,989.21
  6. Step 6: Final answer
    x = 48,117.32

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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.