Home / 104,786.07-144,598.90-57,036.57

Finding the Fourth Proportional to 104,786.07, 144,598.90 and 57,036.57

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Solution

The fourth proportional to 104,786.07, 144,598.90 and 57,036.57 is: 78,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,786.07 : 144,598.90 = 57,036.57 : x
  2. Step 2: Convert to fraction form
    104,786.07/144,598.90 = 57,036.57/x
  3. Step 3: Cross multiply
    104,786.07x = 144,598.90 × 57,036.57
  4. Step 4: Simplify right side
    104,786.07x = 8,247,425,281.77
  5. Step 5: Solve for x
    x = 8,247,425,281.77/104,786.07
  6. Step 6: Final answer
    x = 78,707.27

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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.