Home / 92,723.15-138,740.06-55,303.58

Finding the Fourth Proportional to 92,723.15, 138,740.06 and 55,303.58

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Solution

The fourth proportional to 92,723.15, 138,740.06 and 55,303.58 is: 82,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,723.15 : 138,740.06 = 55,303.58 : x
  2. Step 2: Convert to fraction form
    92,723.15/138,740.06 = 55,303.58/x
  3. Step 3: Cross multiply
    92,723.15x = 138,740.06 × 55,303.58
  4. Step 4: Simplify right side
    92,723.15x = 7,672,821,451.97
  5. Step 5: Solve for x
    x = 7,672,821,451.97/92,723.15
  6. Step 6: Final answer
    x = 82,749.80

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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.