Home / 74,426.43-102,709.63-40,435.59

Finding the Fourth Proportional to 74,426.43, 102,709.63 and 40,435.59

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Solution

The fourth proportional to 74,426.43, 102,709.63 and 40,435.59 is: 55,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.43 : 102,709.63 = 40,435.59 : x
  2. Step 2: Convert to fraction form
    74,426.43/102,709.63 = 40,435.59/x
  3. Step 3: Cross multiply
    74,426.43x = 102,709.63 × 40,435.59
  4. Step 4: Simplify right side
    74,426.43x = 4,153,124,487.73
  5. Step 5: Solve for x
    x = 4,153,124,487.73/74,426.43
  6. Step 6: Final answer
    x = 55,801.74

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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.