Home / 117,779.49-162,537.30-64,066.77

Finding the Fourth Proportional to 117,779.49, 162,537.30 and 64,066.77

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Solution

The fourth proportional to 117,779.49, 162,537.30 and 64,066.77 is: 88,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,779.49 : 162,537.30 = 64,066.77 : x
  2. Step 2: Convert to fraction form
    117,779.49/162,537.30 = 64,066.77/x
  3. Step 3: Cross multiply
    117,779.49x = 162,537.30 × 64,066.77
  4. Step 4: Simplify right side
    117,779.49x = 10,413,239,815.52
  5. Step 5: Solve for x
    x = 10,413,239,815.52/117,779.49
  6. Step 6: Final answer
    x = 88,413.01

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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.