Home / 76,364.40-105,437.52-50,930.82

Finding the Fourth Proportional to 76,364.40, 105,437.52 and 50,930.82

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Solution

The fourth proportional to 76,364.40, 105,437.52 and 50,930.82 is: 70,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,364.40 : 105,437.52 = 50,930.82 : x
  2. Step 2: Convert to fraction form
    76,364.40/105,437.52 = 50,930.82/x
  3. Step 3: Cross multiply
    76,364.40x = 105,437.52 × 50,930.82
  4. Step 4: Simplify right side
    76,364.40x = 5,370,019,352.37
  5. Step 5: Solve for x
    x = 5,370,019,352.37/76,364.40
  6. Step 6: Final answer
    x = 70,320.98

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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.