Home / 98,077.08-147,207.96-70,025.16

Finding the Fourth Proportional to 98,077.08, 147,207.96 and 70,025.16

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Solution

The fourth proportional to 98,077.08, 147,207.96 and 70,025.16 is: 105,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.08 : 147,207.96 = 70,025.16 : x
  2. Step 2: Convert to fraction form
    98,077.08/147,207.96 = 70,025.16/x
  3. Step 3: Cross multiply
    98,077.08x = 147,207.96 × 70,025.16
  4. Step 4: Simplify right side
    98,077.08x = 10,308,260,952.27
  5. Step 5: Solve for x
    x = 10,308,260,952.27/98,077.08
  6. Step 6: Final answer
    x = 105,103.67

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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.