Home / 74,995.96-112,457.04-30,610.80

Finding the Fourth Proportional to 74,995.96, 112,457.04 and 30,610.80

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Solution

The fourth proportional to 74,995.96, 112,457.04 and 30,610.80 is: 45,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,995.96 : 112,457.04 = 30,610.80 : x
  2. Step 2: Convert to fraction form
    74,995.96/112,457.04 = 30,610.80/x
  3. Step 3: Cross multiply
    74,995.96x = 112,457.04 × 30,610.80
  4. Step 4: Simplify right side
    74,995.96x = 3,442,399,960.03
  5. Step 5: Solve for x
    x = 3,442,399,960.03/74,995.96
  6. Step 6: Final answer
    x = 45,901.14

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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.