Home / 74,743.95-103,120.76-47,901.24

Finding the Fourth Proportional to 74,743.95, 103,120.76 and 47,901.24

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Solution

The fourth proportional to 74,743.95, 103,120.76 and 47,901.24 is: 66,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.95 : 103,120.76 = 47,901.24 : x
  2. Step 2: Convert to fraction form
    74,743.95/103,120.76 = 47,901.24/x
  3. Step 3: Cross multiply
    74,743.95x = 103,120.76 × 47,901.24
  4. Step 4: Simplify right side
    74,743.95x = 4,939,612,034.24
  5. Step 5: Solve for x
    x = 4,939,612,034.24/74,743.95
  6. Step 6: Final answer
    x = 66,087.12

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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.