Home / 104,901.03-144,765.08-57,154.36

Finding the Fourth Proportional to 104,901.03, 144,765.08 and 57,154.36

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Solution

The fourth proportional to 104,901.03, 144,765.08 and 57,154.36 is: 78,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.03 : 144,765.08 = 57,154.36 : x
  2. Step 2: Convert to fraction form
    104,901.03/144,765.08 = 57,154.36/x
  3. Step 3: Cross multiply
    104,901.03x = 144,765.08 × 57,154.36
  4. Step 4: Simplify right side
    104,901.03x = 8,273,955,497.75
  5. Step 5: Solve for x
    x = 8,273,955,497.75/104,901.03
  6. Step 6: Final answer
    x = 78,873.92

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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.