Home / 98,846.12-136,358.70-70,165.64

Finding the Fourth Proportional to 98,846.12, 136,358.70 and 70,165.64

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Solution

The fourth proportional to 98,846.12, 136,358.70 and 70,165.64 is: 96,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,846.12 : 136,358.70 = 70,165.64 : x
  2. Step 2: Convert to fraction form
    98,846.12/136,358.70 = 70,165.64/x
  3. Step 3: Cross multiply
    98,846.12x = 136,358.70 × 70,165.64
  4. Step 4: Simplify right side
    98,846.12x = 9,567,695,455.07
  5. Step 5: Solve for x
    x = 9,567,695,455.07/98,846.12
  6. Step 6: Final answer
    x = 96,793.84

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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.