Home / 74,047.71-102,079.55-52,790.07

Finding the Fourth Proportional to 74,047.71, 102,079.55 and 52,790.07

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Solution

The fourth proportional to 74,047.71, 102,079.55 and 52,790.07 is: 72,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.71 : 102,079.55 = 52,790.07 : x
  2. Step 2: Convert to fraction form
    74,047.71/102,079.55 = 52,790.07/x
  3. Step 3: Cross multiply
    74,047.71x = 102,079.55 × 52,790.07
  4. Step 4: Simplify right side
    74,047.71x = 5,388,786,590.07
  5. Step 5: Solve for x
    x = 5,388,786,590.07/74,047.71
  6. Step 6: Final answer
    x = 72,774.52

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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.