Home / 74,130.08-111,178.44-34,110.67

Finding the Fourth Proportional to 74,130.08, 111,178.44 and 34,110.67

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Solution

The fourth proportional to 74,130.08, 111,178.44 and 34,110.67 is: 51,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.08 : 111,178.44 = 34,110.67 : x
  2. Step 2: Convert to fraction form
    74,130.08/111,178.44 = 34,110.67/x
  3. Step 3: Cross multiply
    74,130.08x = 111,178.44 × 34,110.67
  4. Step 4: Simplify right side
    74,130.08x = 3,792,370,800.01
  5. Step 5: Solve for x
    x = 3,792,370,800.01/74,130.08
  6. Step 6: Final answer
    x = 51,158.33

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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.