Home / 76,861.47-106,028.50-62,537.31

Finding the Fourth Proportional to 76,861.47, 106,028.50 and 62,537.31

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Solution

The fourth proportional to 76,861.47, 106,028.50 and 62,537.31 is: 86,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,861.47 : 106,028.50 = 62,537.31 : x
  2. Step 2: Convert to fraction form
    76,861.47/106,028.50 = 62,537.31/x
  3. Step 3: Cross multiply
    76,861.47x = 106,028.50 × 62,537.31
  4. Step 4: Simplify right side
    76,861.47x = 6,630,736,860.65
  5. Step 5: Solve for x
    x = 6,630,736,860.65/76,861.47
  6. Step 6: Final answer
    x = 86,268.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.