Home / 70,452.76-105,580.50-50,638.36

Finding the Fourth Proportional to 70,452.76, 105,580.50 and 50,638.36

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Solution

The fourth proportional to 70,452.76, 105,580.50 and 50,638.36 is: 75,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,452.76 : 105,580.50 = 50,638.36 : x
  2. Step 2: Convert to fraction form
    70,452.76/105,580.50 = 50,638.36/x
  3. Step 3: Cross multiply
    70,452.76x = 105,580.50 × 50,638.36
  4. Step 4: Simplify right side
    70,452.76x = 5,346,423,367.98
  5. Step 5: Solve for x
    x = 5,346,423,367.98/70,452.76
  6. Step 6: Final answer
    x = 75,886.64

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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.