Home / 79,547.24-109,772.24-43,735.12

Finding the Fourth Proportional to 79,547.24, 109,772.24 and 43,735.12

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Solution

The fourth proportional to 79,547.24, 109,772.24 and 43,735.12 is: 60,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.24 : 109,772.24 = 43,735.12 : x
  2. Step 2: Convert to fraction form
    79,547.24/109,772.24 = 43,735.12/x
  3. Step 3: Cross multiply
    79,547.24x = 109,772.24 × 43,735.12
  4. Step 4: Simplify right side
    79,547.24x = 4,800,902,089.07
  5. Step 5: Solve for x
    x = 4,800,902,089.07/79,547.24
  6. Step 6: Final answer
    x = 60,352.84

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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.