Home / 104,935.69-144,810.35-57,189.03

Finding the Fourth Proportional to 104,935.69, 144,810.35 and 57,189.03

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Solution

The fourth proportional to 104,935.69, 144,810.35 and 57,189.03 is: 78,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.69 : 144,810.35 = 57,189.03 : x
  2. Step 2: Convert to fraction form
    104,935.69/144,810.35 = 57,189.03/x
  3. Step 3: Cross multiply
    104,935.69x = 144,810.35 × 57,189.03
  4. Step 4: Simplify right side
    104,935.69x = 8,281,562,440.46
  5. Step 5: Solve for x
    x = 8,281,562,440.46/104,935.69
  6. Step 6: Final answer
    x = 78,920.36

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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.