Home / 76,941.55-106,166.55-51,406.95

Finding the Fourth Proportional to 76,941.55, 106,166.55 and 51,406.95

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Solution

The fourth proportional to 76,941.55, 106,166.55 and 51,406.95 is: 70,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,941.55 : 106,166.55 = 51,406.95 : x
  2. Step 2: Convert to fraction form
    76,941.55/106,166.55 = 51,406.95/x
  3. Step 3: Cross multiply
    76,941.55x = 106,166.55 × 51,406.95
  4. Step 4: Simplify right side
    76,941.55x = 5,457,698,829.26
  5. Step 5: Solve for x
    x = 5,457,698,829.26/76,941.55
  6. Step 6: Final answer
    x = 70,933.05

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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.