Home / 112,869.17-169,317.87-41,779.81

Finding the Fourth Proportional to 112,869.17, 169,317.87 and 41,779.81

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Solution

The fourth proportional to 112,869.17, 169,317.87 and 41,779.81 is: 62,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,869.17 : 169,317.87 = 41,779.81 : x
  2. Step 2: Convert to fraction form
    112,869.17/169,317.87 = 41,779.81/x
  3. Step 3: Cross multiply
    112,869.17x = 169,317.87 × 41,779.81
  4. Step 4: Simplify right side
    112,869.17x = 7,074,068,438.20
  5. Step 5: Solve for x
    x = 7,074,068,438.20/112,869.17
  6. Step 6: Final answer
    x = 62,674.94

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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.