Home / 92,989.19-128,324.98-50,548.03

Finding the Fourth Proportional to 92,989.19, 128,324.98 and 50,548.03

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Solution

The fourth proportional to 92,989.19, 128,324.98 and 50,548.03 is: 69,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,989.19 : 128,324.98 = 50,548.03 : x
  2. Step 2: Convert to fraction form
    92,989.19/128,324.98 = 50,548.03/x
  3. Step 3: Cross multiply
    92,989.19x = 128,324.98 × 50,548.03
  4. Step 4: Simplify right side
    92,989.19x = 6,486,574,938.79
  5. Step 5: Solve for x
    x = 6,486,574,938.79/92,989.19
  6. Step 6: Final answer
    x = 69,756.23

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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.