Home / 79,208.04-109,307.07-47,384.42

Finding the Fourth Proportional to 79,208.04, 109,307.07 and 47,384.42

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Solution

The fourth proportional to 79,208.04, 109,307.07 and 47,384.42 is: 65,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.04 : 109,307.07 = 47,384.42 : x
  2. Step 2: Convert to fraction form
    79,208.04/109,307.07 = 47,384.42/x
  3. Step 3: Cross multiply
    79,208.04x = 109,307.07 × 47,384.42
  4. Step 4: Simplify right side
    79,208.04x = 5,179,452,113.85
  5. Step 5: Solve for x
    x = 5,179,452,113.85/79,208.04
  6. Step 6: Final answer
    x = 65,390.48

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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.