Home / 88,236.81-121,705.22-58,012.47

Finding the Fourth Proportional to 88,236.81, 121,705.22 and 58,012.47

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Solution

The fourth proportional to 88,236.81, 121,705.22 and 58,012.47 is: 80,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.81 : 121,705.22 = 58,012.47 : x
  2. Step 2: Convert to fraction form
    88,236.81/121,705.22 = 58,012.47/x
  3. Step 3: Cross multiply
    88,236.81x = 121,705.22 × 58,012.47
  4. Step 4: Simplify right side
    88,236.81x = 7,060,420,134.03
  5. Step 5: Solve for x
    x = 7,060,420,134.03/88,236.81
  6. Step 6: Final answer
    x = 80,016.72

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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.