Home / 109,830.44-151,582.20-69,547.88

Finding the Fourth Proportional to 109,830.44, 151,582.20 and 69,547.88

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Solution

The fourth proportional to 109,830.44, 151,582.20 and 69,547.88 is: 95,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,830.44 : 151,582.20 = 69,547.88 : x
  2. Step 2: Convert to fraction form
    109,830.44/151,582.20 = 69,547.88/x
  3. Step 3: Cross multiply
    109,830.44x = 151,582.20 × 69,547.88
  4. Step 4: Simplify right side
    109,830.44x = 10,542,220,655.74
  5. Step 5: Solve for x
    x = 10,542,220,655.74/109,830.44
  6. Step 6: Final answer
    x = 95,986.33

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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.