Home / 79,197.55-109,295.63-45,211.57

Finding the Fourth Proportional to 79,197.55, 109,295.63 and 45,211.57

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Solution

The fourth proportional to 79,197.55, 109,295.63 and 45,211.57 is: 62,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,197.55 : 109,295.63 = 45,211.57 : x
  2. Step 2: Convert to fraction form
    79,197.55/109,295.63 = 45,211.57/x
  3. Step 3: Cross multiply
    79,197.55x = 109,295.63 × 45,211.57
  4. Step 4: Simplify right side
    79,197.55x = 4,941,426,696.69
  5. Step 5: Solve for x
    x = 4,941,426,696.69/79,197.55
  6. Step 6: Final answer
    x = 62,393.68

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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.