Home / 98,576.03-147,758.47-70,410.67

Finding the Fourth Proportional to 98,576.03, 147,758.47 and 70,410.67

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Solution

The fourth proportional to 98,576.03, 147,758.47 and 70,410.67 is: 105,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,576.03 : 147,758.47 = 70,410.67 : x
  2. Step 2: Convert to fraction form
    98,576.03/147,758.47 = 70,410.67/x
  3. Step 3: Cross multiply
    98,576.03x = 147,758.47 × 70,410.67
  4. Step 4: Simplify right side
    98,576.03x = 10,403,772,325.45
  5. Step 5: Solve for x
    x = 10,403,772,325.45/98,576.03
  6. Step 6: Final answer
    x = 105,540.59

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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.