Home / 74,097.95-102,278.16-42,288.03

Finding the Fourth Proportional to 74,097.95, 102,278.16 and 42,288.03

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Solution

The fourth proportional to 74,097.95, 102,278.16 and 42,288.03 is: 58,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.95 : 102,278.16 = 42,288.03 : x
  2. Step 2: Convert to fraction form
    74,097.95/102,278.16 = 42,288.03/x
  3. Step 3: Cross multiply
    74,097.95x = 102,278.16 × 42,288.03
  4. Step 4: Simplify right side
    74,097.95x = 4,325,141,898.42
  5. Step 5: Solve for x
    x = 4,325,141,898.42/74,097.95
  6. Step 6: Final answer
    x = 58,370.61

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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.