Home / 74,210.30-111,313.86-18,050.72

Finding the Fourth Proportional to 74,210.30, 111,313.86 and 18,050.72

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Solution

The fourth proportional to 74,210.30, 111,313.86 and 18,050.72 is: 27,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210.30 : 111,313.86 = 18,050.72 : x
  2. Step 2: Convert to fraction form
    74,210.30/111,313.86 = 18,050.72/x
  3. Step 3: Cross multiply
    74,210.30x = 111,313.86 × 18,050.72
  4. Step 4: Simplify right side
    74,210.30x = 2,009,295,318.98
  5. Step 5: Solve for x
    x = 2,009,295,318.98/74,210.30
  6. Step 6: Final answer
    x = 27,075.69

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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.