Home / 98,020.08-147,020.04-31,507.92

Finding the Fourth Proportional to 98,020.08, 147,020.04 and 31,507.92

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Solution

The fourth proportional to 98,020.08, 147,020.04 and 31,507.92 is: 47,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,020.08 : 147,020.04 = 31,507.92 : x
  2. Step 2: Convert to fraction form
    98,020.08/147,020.04 = 31,507.92/x
  3. Step 3: Cross multiply
    98,020.08x = 147,020.04 × 31,507.92
  4. Step 4: Simplify right side
    98,020.08x = 4,632,295,658.72
  5. Step 5: Solve for x
    x = 4,632,295,658.72/98,020.08
  6. Step 6: Final answer
    x = 47,258.64

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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.