Home / 72,894.04-100,559.37-42,660.63

Finding the Fourth Proportional to 72,894.04, 100,559.37 and 42,660.63

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Solution

The fourth proportional to 72,894.04, 100,559.37 and 42,660.63 is: 58,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894.04 : 100,559.37 = 42,660.63 : x
  2. Step 2: Convert to fraction form
    72,894.04/100,559.37 = 42,660.63/x
  3. Step 3: Cross multiply
    72,894.04x = 100,559.37 × 42,660.63
  4. Step 4: Simplify right side
    72,894.04x = 4,289,926,076.60
  5. Step 5: Solve for x
    x = 4,289,926,076.60/72,894.04
  6. Step 6: Final answer
    x = 58,851.54

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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.