Home / 74,273.27-102,497.63-40,281.93

Finding the Fourth Proportional to 74,273.27, 102,497.63 and 40,281.93

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Solution

The fourth proportional to 74,273.27, 102,497.63 and 40,281.93 is: 55,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.27 : 102,497.63 = 40,281.93 : x
  2. Step 2: Convert to fraction form
    74,273.27/102,497.63 = 40,281.93/x
  3. Step 3: Cross multiply
    74,273.27x = 102,497.63 × 40,281.93
  4. Step 4: Simplify right side
    74,273.27x = 4,128,802,155.42
  5. Step 5: Solve for x
    x = 4,128,802,155.42/74,273.27
  6. Step 6: Final answer
    x = 55,589.35

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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.