Home / 51,047.55-76,574.98-13,607.43

Finding the Fourth Proportional to 51,047.55, 76,574.98 and 13,607.43

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Solution

The fourth proportional to 51,047.55, 76,574.98 and 13,607.43 is: 20,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.55 : 76,574.98 = 13,607.43 : x
  2. Step 2: Convert to fraction form
    51,047.55/76,574.98 = 13,607.43/x
  3. Step 3: Cross multiply
    51,047.55x = 76,574.98 × 13,607.43
  4. Step 4: Simplify right side
    51,047.55x = 1,041,988,680.10
  5. Step 5: Solve for x
    x = 1,041,988,680.10/51,047.55
  6. Step 6: Final answer
    x = 20,412.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.