Home / 74,840.87-112,261.10-30,457.13

Finding the Fourth Proportional to 74,840.87, 112,261.10 and 30,457.13

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Solution

The fourth proportional to 74,840.87, 112,261.10 and 30,457.13 is: 45,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,840.87 : 112,261.10 = 30,457.13 : x
  2. Step 2: Convert to fraction form
    74,840.87/112,261.10 = 30,457.13/x
  3. Step 3: Cross multiply
    74,840.87x = 112,261.10 × 30,457.13
  4. Step 4: Simplify right side
    74,840.87x = 3,419,150,203.05
  5. Step 5: Solve for x
    x = 3,419,150,203.05/74,840.87
  6. Step 6: Final answer
    x = 45,685.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.