Home / 112,958.23-169,379.48-59,678.81

Finding the Fourth Proportional to 112,958.23, 169,379.48 and 59,678.81

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Solution

The fourth proportional to 112,958.23, 169,379.48 and 59,678.81 is: 89,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.23 : 169,379.48 = 59,678.81 : x
  2. Step 2: Convert to fraction form
    112,958.23/169,379.48 = 59,678.81/x
  3. Step 3: Cross multiply
    112,958.23x = 169,379.48 × 59,678.81
  4. Step 4: Simplify right side
    112,958.23x = 10,108,365,804.82
  5. Step 5: Solve for x
    x = 10,108,365,804.82/112,958.23
  6. Step 6: Final answer
    x = 89,487.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.