Home / 75,795.31-113,942.13-70,314.85

Finding the Fourth Proportional to 75,795.31, 113,942.13 and 70,314.85

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Solution

The fourth proportional to 75,795.31, 113,942.13 and 70,314.85 is: 105,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.31 : 113,942.13 = 70,314.85 : x
  2. Step 2: Convert to fraction form
    75,795.31/113,942.13 = 70,314.85/x
  3. Step 3: Cross multiply
    75,795.31x = 113,942.13 × 70,314.85
  4. Step 4: Simplify right side
    75,795.31x = 8,011,823,779.63
  5. Step 5: Solve for x
    x = 8,011,823,779.63/75,795.31
  6. Step 6: Final answer
    x = 105,703.42

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1.5x scale

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.