Home / 70,555.14-105,690.54-46,876.02

Finding the Fourth Proportional to 70,555.14, 105,690.54 and 46,876.02

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Solution

The fourth proportional to 70,555.14, 105,690.54 and 46,876.02 is: 70,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.14 : 105,690.54 = 46,876.02 : x
  2. Step 2: Convert to fraction form
    70,555.14/105,690.54 = 46,876.02/x
  3. Step 3: Cross multiply
    70,555.14x = 105,690.54 × 46,876.02
  4. Step 4: Simplify right side
    70,555.14x = 4,954,351,866.85
  5. Step 5: Solve for x
    x = 4,954,351,866.85/70,555.14
  6. Step 6: Final answer
    x = 70,219.57

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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.