Home / 76,610.20-105,634.90-53,941.94

Finding the Fourth Proportional to 76,610.20, 105,634.90 and 53,941.94

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Solution

The fourth proportional to 76,610.20, 105,634.90 and 53,941.94 is: 74,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610.20 : 105,634.90 = 53,941.94 : x
  2. Step 2: Convert to fraction form
    76,610.20/105,634.90 = 53,941.94/x
  3. Step 3: Cross multiply
    76,610.20x = 105,634.90 × 53,941.94
  4. Step 4: Simplify right side
    76,610.20x = 5,698,151,437.71
  5. Step 5: Solve for x
    x = 5,698,151,437.71/76,610.20
  6. Step 6: Final answer
    x = 74,378.50

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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.