Home / 74,464.10-102,761.24-40,472.59

Finding the Fourth Proportional to 74,464.10, 102,761.24 and 40,472.59

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Solution

The fourth proportional to 74,464.10, 102,761.24 and 40,472.59 is: 55,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.10 : 102,761.24 = 40,472.59 : x
  2. Step 2: Convert to fraction form
    74,464.10/102,761.24 = 40,472.59/x
  3. Step 3: Cross multiply
    74,464.10x = 102,761.24 × 40,472.59
  4. Step 4: Simplify right side
    74,464.10x = 4,159,013,534.41
  5. Step 5: Solve for x
    x = 4,159,013,534.41/74,464.10
  6. Step 6: Final answer
    x = 55,852.60

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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.