Home / 74,310.06-111,501.54-34,870.38

Finding the Fourth Proportional to 74,310.06, 111,501.54 and 34,870.38

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Solution

The fourth proportional to 74,310.06, 111,501.54 and 34,870.38 is: 52,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.06 : 111,501.54 = 34,870.38 : x
  2. Step 2: Convert to fraction form
    74,310.06/111,501.54 = 34,870.38/x
  3. Step 3: Cross multiply
    74,310.06x = 111,501.54 × 34,870.38
  4. Step 4: Simplify right side
    74,310.06x = 3,888,101,070.39
  5. Step 5: Solve for x
    x = 3,888,101,070.39/74,310.06
  6. Step 6: Final answer
    x = 52,322.67

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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.