Home / 70,815.58-106,289.07-35,779.84

Finding the Fourth Proportional to 70,815.58, 106,289.07 and 35,779.84

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Solution

The fourth proportional to 70,815.58, 106,289.07 and 35,779.84 is: 53,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.58 : 106,289.07 = 35,779.84 : x
  2. Step 2: Convert to fraction form
    70,815.58/106,289.07 = 35,779.84/x
  3. Step 3: Cross multiply
    70,815.58x = 106,289.07 × 35,779.84
  4. Step 4: Simplify right side
    70,815.58x = 3,803,005,918.35
  5. Step 5: Solve for x
    x = 3,803,005,918.35/70,815.58
  6. Step 6: Final answer
    x = 53,702.96

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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.