Home / 74,962.45-103,447.94-40,970.94

Finding the Fourth Proportional to 74,962.45, 103,447.94 and 40,970.94

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Solution

The fourth proportional to 74,962.45, 103,447.94 and 40,970.94 is: 56,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,962.45 : 103,447.94 = 40,970.94 : x
  2. Step 2: Convert to fraction form
    74,962.45/103,447.94 = 40,970.94/x
  3. Step 3: Cross multiply
    74,962.45x = 103,447.94 × 40,970.94
  4. Step 4: Simplify right side
    74,962.45x = 4,238,358,620.77
  5. Step 5: Solve for x
    x = 4,238,358,620.77/74,962.45
  6. Step 6: Final answer
    x = 56,539.76

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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.