Home / 104,779.38-144,595.59-57,033.06

Finding the Fourth Proportional to 104,779.38, 144,595.59 and 57,033.06

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Solution

The fourth proportional to 104,779.38, 144,595.59 and 57,033.06 is: 78,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,779.38 : 144,595.59 = 57,033.06 : x
  2. Step 2: Convert to fraction form
    104,779.38/144,595.59 = 57,033.06/x
  3. Step 3: Cross multiply
    104,779.38x = 144,595.59 × 57,033.06
  4. Step 4: Simplify right side
    104,779.38x = 8,246,728,960.21
  5. Step 5: Solve for x
    x = 8,246,728,960.21/104,779.38
  6. Step 6: Final answer
    x = 78,705.65

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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.