Home / 79,316.85-109,455.28-45,323.18

Finding the Fourth Proportional to 79,316.85, 109,455.28 and 45,323.18

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Solution

The fourth proportional to 79,316.85, 109,455.28 and 45,323.18 is: 62,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.85 : 109,455.28 = 45,323.18 : x
  2. Step 2: Convert to fraction form
    79,316.85/109,455.28 = 45,323.18/x
  3. Step 3: Cross multiply
    79,316.85x = 109,455.28 × 45,323.18
  4. Step 4: Simplify right side
    79,316.85x = 4,960,861,357.39
  5. Step 5: Solve for x
    x = 4,960,861,357.39/79,316.85
  6. Step 6: Final answer
    x = 62,544.86

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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.