Home / 104,764.98-144,572.89-57,017.30

Finding the Fourth Proportional to 104,764.98, 144,572.89 and 57,017.30

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Solution

The fourth proportional to 104,764.98, 144,572.89 and 57,017.30 is: 78,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.98 : 144,572.89 = 57,017.30 : x
  2. Step 2: Convert to fraction form
    104,764.98/144,572.89 = 57,017.30/x
  3. Step 3: Cross multiply
    104,764.98x = 144,572.89 × 57,017.30
  4. Step 4: Simplify right side
    104,764.98x = 8,243,155,555.91
  5. Step 5: Solve for x
    x = 8,243,155,555.91/104,764.98
  6. Step 6: Final answer
    x = 78,682.36

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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.