Home / 74,432.19-102,690.57-47,590.41

Finding the Fourth Proportional to 74,432.19, 102,690.57 and 47,590.41

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Solution

The fourth proportional to 74,432.19, 102,690.57 and 47,590.41 is: 65,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432.19 : 102,690.57 = 47,590.41 : x
  2. Step 2: Convert to fraction form
    74,432.19/102,690.57 = 47,590.41/x
  3. Step 3: Cross multiply
    74,432.19x = 102,690.57 × 47,590.41
  4. Step 4: Simplify right side
    74,432.19x = 4,887,086,329.43
  5. Step 5: Solve for x
    x = 4,887,086,329.43/74,432.19
  6. Step 6: Final answer
    x = 65,658.24

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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.