Home / 62,325.42-85,979.20-45,303.28

Finding the Fourth Proportional to 62,325.42, 85,979.20 and 45,303.28

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Solution

The fourth proportional to 62,325.42, 85,979.20 and 45,303.28 is: 62,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,325.42 : 85,979.20 = 45,303.28 : x
  2. Step 2: Convert to fraction form
    62,325.42/85,979.20 = 45,303.28/x
  3. Step 3: Cross multiply
    62,325.42x = 85,979.20 × 45,303.28
  4. Step 4: Simplify right side
    62,325.42x = 3,895,139,771.78
  5. Step 5: Solve for x
    x = 3,895,139,771.78/62,325.42
  6. Step 6: Final answer
    x = 62,496.81

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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.