Home / 79,028.65-109,089.35-47,185.93

Finding the Fourth Proportional to 79,028.65, 109,089.35 and 47,185.93

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Solution

The fourth proportional to 79,028.65, 109,089.35 and 47,185.93 is: 65,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.65 : 109,089.35 = 47,185.93 : x
  2. Step 2: Convert to fraction form
    79,028.65/109,089.35 = 47,185.93/x
  3. Step 3: Cross multiply
    79,028.65x = 109,089.35 × 47,185.93
  4. Step 4: Simplify right side
    79,028.65x = 5,147,482,432.85
  5. Step 5: Solve for x
    x = 5,147,482,432.85/79,028.65
  6. Step 6: Final answer
    x = 65,134.38

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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.