Home / 74,244.50-111,313.86-34,780.08

Finding the Fourth Proportional to 74,244.50, 111,313.86 and 34,780.08

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Solution

The fourth proportional to 74,244.50, 111,313.86 and 34,780.08 is: 52,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.50 : 111,313.86 = 34,780.08 : x
  2. Step 2: Convert to fraction form
    74,244.50/111,313.86 = 34,780.08/x
  3. Step 3: Cross multiply
    74,244.50x = 111,313.86 × 34,780.08
  4. Step 4: Simplify right side
    74,244.50x = 3,871,504,955.91
  5. Step 5: Solve for x
    x = 3,871,504,955.91/74,244.50
  6. Step 6: Final answer
    x = 52,145.34

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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.