Home / 74,562.72-102,862.66-44,330.90

Finding the Fourth Proportional to 74,562.72, 102,862.66 and 44,330.90

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Solution

The fourth proportional to 74,562.72, 102,862.66 and 44,330.90 is: 61,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.72 : 102,862.66 = 44,330.90 : x
  2. Step 2: Convert to fraction form
    74,562.72/102,862.66 = 44,330.90/x
  3. Step 3: Cross multiply
    74,562.72x = 102,862.66 × 44,330.90
  4. Step 4: Simplify right side
    74,562.72x = 4,559,994,294.19
  5. Step 5: Solve for x
    x = 4,559,994,294.19/74,562.72
  6. Step 6: Final answer
    x = 61,156.49

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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.