Home / 70,479.08-105,511.26-47,047.40

Finding the Fourth Proportional to 70,479.08, 105,511.26 and 47,047.40

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Solution

The fourth proportional to 70,479.08, 105,511.26 and 47,047.40 is: 70,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,479.08 : 105,511.26 = 47,047.40 : x
  2. Step 2: Convert to fraction form
    70,479.08/105,511.26 = 47,047.40/x
  3. Step 3: Cross multiply
    70,479.08x = 105,511.26 × 47,047.40
  4. Step 4: Simplify right side
    70,479.08x = 4,964,030,453.72
  5. Step 5: Solve for x
    x = 4,964,030,453.72/70,479.08
  6. Step 6: Final answer
    x = 70,432.68

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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.