Home / 104,785.07-144,597.53-57,035.57

Finding the Fourth Proportional to 104,785.07, 144,597.53 and 57,035.57

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Solution

The fourth proportional to 104,785.07, 144,597.53 and 57,035.57 is: 78,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.07 : 144,597.53 = 57,035.57 : x
  2. Step 2: Convert to fraction form
    104,785.07/144,597.53 = 57,035.57/x
  3. Step 3: Cross multiply
    104,785.07x = 144,597.53 × 57,035.57
  4. Step 4: Simplify right side
    104,785.07x = 8,247,201,535.98
  5. Step 5: Solve for x
    x = 8,247,201,535.98/104,785.07
  6. Step 6: Final answer
    x = 78,705.89

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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.