Home / 74,600.70-102,950.28-40,610.16

Finding the Fourth Proportional to 74,600.70, 102,950.28 and 40,610.16

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Solution

The fourth proportional to 74,600.70, 102,950.28 and 40,610.16 is: 56,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,600.70 : 102,950.28 = 40,610.16 : x
  2. Step 2: Convert to fraction form
    74,600.70/102,950.28 = 40,610.16/x
  3. Step 3: Cross multiply
    74,600.70x = 102,950.28 × 40,610.16
  4. Step 4: Simplify right side
    74,600.70x = 4,180,827,342.84
  5. Step 5: Solve for x
    x = 4,180,827,342.84/74,600.70
  6. Step 6: Final answer
    x = 56,042.74

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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.