Home / 104,790.42-144,621.81-91,750.23

Finding the Fourth Proportional to 104,790.42, 144,621.81 and 91,750.23

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Solution

The fourth proportional to 104,790.42, 144,621.81 and 91,750.23 is: 126,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.42 : 144,621.81 = 91,750.23 : x
  2. Step 2: Convert to fraction form
    104,790.42/144,621.81 = 91,750.23/x
  3. Step 3: Cross multiply
    104,790.42x = 144,621.81 × 91,750.23
  4. Step 4: Simplify right side
    104,790.42x = 13,269,084,330.52
  5. Step 5: Solve for x
    x = 13,269,084,330.52/104,790.42
  6. Step 6: Final answer
    x = 126,624.98

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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.