Home / 74,128.24-102,297.40-40,594.24

Finding the Fourth Proportional to 74,128.24, 102,297.40 and 40,594.24

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Solution

The fourth proportional to 74,128.24, 102,297.40 and 40,594.24 is: 56,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.24 : 102,297.40 = 40,594.24 : x
  2. Step 2: Convert to fraction form
    74,128.24/102,297.40 = 40,594.24/x
  3. Step 3: Cross multiply
    74,128.24x = 102,297.40 × 40,594.24
  4. Step 4: Simplify right side
    74,128.24x = 4,152,685,206.98
  5. Step 5: Solve for x
    x = 4,152,685,206.98/74,128.24
  6. Step 6: Final answer
    x = 56,020.29

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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.