Home / 74,318.40-102,644.58-48,938.22

Finding the Fourth Proportional to 74,318.40, 102,644.58 and 48,938.22

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Solution

The fourth proportional to 74,318.40, 102,644.58 and 48,938.22 is: 67,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.40 : 102,644.58 = 48,938.22 : x
  2. Step 2: Convert to fraction form
    74,318.40/102,644.58 = 48,938.22/x
  3. Step 3: Cross multiply
    74,318.40x = 102,644.58 × 48,938.22
  4. Step 4: Simplify right side
    74,318.40x = 5,023,243,037.85
  5. Step 5: Solve for x
    x = 5,023,243,037.85/74,318.40
  6. Step 6: Final answer
    x = 67,590.84

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1.5x scale

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.