Home / 105,866.90-158,814.17-55,948.93

Finding the Fourth Proportional to 105,866.90, 158,814.17 and 55,948.93

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Solution

The fourth proportional to 105,866.90, 158,814.17 and 55,948.93 is: 83,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,866.90 : 158,814.17 = 55,948.93 : x
  2. Step 2: Convert to fraction form
    105,866.90/158,814.17 = 55,948.93/x
  3. Step 3: Cross multiply
    105,866.90x = 158,814.17 × 55,948.93
  4. Step 4: Simplify right side
    105,866.90x = 8,885,482,413.37
  5. Step 5: Solve for x
    x = 8,885,482,413.37/105,866.90
  6. Step 6: Final answer
    x = 83,930.70

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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.