Home / 98,609.75-136,091.03-58,336.48

Finding the Fourth Proportional to 98,609.75, 136,091.03 and 58,336.48

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Solution

The fourth proportional to 98,609.75, 136,091.03 and 58,336.48 is: 80,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.75 : 136,091.03 = 58,336.48 : x
  2. Step 2: Convert to fraction form
    98,609.75/136,091.03 = 58,336.48/x
  3. Step 3: Cross multiply
    98,609.75x = 136,091.03 × 58,336.48
  4. Step 4: Simplify right side
    98,609.75x = 7,939,071,528.21
  5. Step 5: Solve for x
    x = 7,939,071,528.21/98,609.75
  6. Step 6: Final answer
    x = 80,510.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.