Home / 73,028.07-109,636.65-70,029.45

Finding the Fourth Proportional to 73,028.07, 109,636.65 and 70,029.45

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Solution

The fourth proportional to 73,028.07, 109,636.65 and 70,029.45 is: 105,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,028.07 : 109,636.65 = 70,029.45 : x
  2. Step 2: Convert to fraction form
    73,028.07/109,636.65 = 70,029.45/x
  3. Step 3: Cross multiply
    73,028.07x = 109,636.65 × 70,029.45
  4. Step 4: Simplify right side
    73,028.07x = 7,677,794,299.34
  5. Step 5: Solve for x
    x = 7,677,794,299.34/73,028.07
  6. Step 6: Final answer
    x = 105,134.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.