Home / 71,683.08-106,987.55-70,500.59

Finding the Fourth Proportional to 71,683.08, 106,987.55 and 70,500.59

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Solution

The fourth proportional to 71,683.08, 106,987.55 and 70,500.59 is: 105,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,683.08 : 106,987.55 = 70,500.59 : x
  2. Step 2: Convert to fraction form
    71,683.08/106,987.55 = 70,500.59/x
  3. Step 3: Cross multiply
    71,683.08x = 106,987.55 × 70,500.59
  4. Step 4: Simplify right side
    71,683.08x = 7,542,685,038.97
  5. Step 5: Solve for x
    x = 7,542,685,038.97/71,683.08
  6. Step 6: Final answer
    x = 105,222.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.