Home / 74,393.48-102,711.54-46,140.68

Finding the Fourth Proportional to 74,393.48, 102,711.54 and 46,140.68

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Solution

The fourth proportional to 74,393.48, 102,711.54 and 46,140.68 is: 63,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,393.48 : 102,711.54 = 46,140.68 : x
  2. Step 2: Convert to fraction form
    74,393.48/102,711.54 = 46,140.68/x
  3. Step 3: Cross multiply
    74,393.48x = 102,711.54 × 46,140.68
  4. Step 4: Simplify right side
    74,393.48x = 4,739,180,299.45
  5. Step 5: Solve for x
    x = 4,739,180,299.45/74,393.48
  6. Step 6: Final answer
    x = 63,704.24

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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.