Home / 76,582.84-105,573.53-50,698.02

Finding the Fourth Proportional to 76,582.84, 105,573.53 and 50,698.02

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Solution

The fourth proportional to 76,582.84, 105,573.53 and 50,698.02 is: 69,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,582.84 : 105,573.53 = 50,698.02 : x
  2. Step 2: Convert to fraction form
    76,582.84/105,573.53 = 50,698.02/x
  3. Step 3: Cross multiply
    76,582.84x = 105,573.53 × 50,698.02
  4. Step 4: Simplify right side
    76,582.84x = 5,352,368,935.41
  5. Step 5: Solve for x
    x = 5,352,368,935.41/76,582.84
  6. Step 6: Final answer
    x = 69,889.92

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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.