Home / 86,999.04-119,944.44-62,779.68

Finding the Fourth Proportional to 86,999.04, 119,944.44 and 62,779.68

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Solution

The fourth proportional to 86,999.04, 119,944.44 and 62,779.68 is: 86,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,999.04 : 119,944.44 = 62,779.68 : x
  2. Step 2: Convert to fraction form
    86,999.04/119,944.44 = 62,779.68/x
  3. Step 3: Cross multiply
    86,999.04x = 119,944.44 × 62,779.68
  4. Step 4: Simplify right side
    86,999.04x = 7,530,073,560.98
  5. Step 5: Solve for x
    x = 7,530,073,560.98/86,999.04
  6. Step 6: Final answer
    x = 86,553.52

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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.