Home / 74,285.66-102,513.34-40,293.52

Finding the Fourth Proportional to 74,285.66, 102,513.34 and 40,293.52

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Solution

The fourth proportional to 74,285.66, 102,513.34 and 40,293.52 is: 55,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,285.66 : 102,513.34 = 40,293.52 : x
  2. Step 2: Convert to fraction form
    74,285.66/102,513.34 = 40,293.52/x
  3. Step 3: Cross multiply
    74,285.66x = 102,513.34 × 40,293.52
  4. Step 4: Simplify right side
    74,285.66x = 4,130,623,315.56
  5. Step 5: Solve for x
    x = 4,130,623,315.56/74,285.66
  6. Step 6: Final answer
    x = 55,604.59

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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.