Home / 82,669.08-124,012.74-26,495.88

Finding the Fourth Proportional to 82,669.08, 124,012.74 and 26,495.88

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Solution

The fourth proportional to 82,669.08, 124,012.74 and 26,495.88 is: 39,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,669.08 : 124,012.74 = 26,495.88 : x
  2. Step 2: Convert to fraction form
    82,669.08/124,012.74 = 26,495.88/x
  3. Step 3: Cross multiply
    82,669.08x = 124,012.74 × 26,495.88
  4. Step 4: Simplify right side
    82,669.08x = 3,285,826,677.51
  5. Step 5: Solve for x
    x = 3,285,826,677.51/82,669.08
  6. Step 6: Final answer
    x = 39,746.74

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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.