Home / 80,547.61-111,152.62-44,739.91

Finding the Fourth Proportional to 80,547.61, 111,152.62 and 44,739.91

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Solution

The fourth proportional to 80,547.61, 111,152.62 and 44,739.91 is: 61,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.61 : 111,152.62 = 44,739.91 : x
  2. Step 2: Convert to fraction form
    80,547.61/111,152.62 = 44,739.91/x
  3. Step 3: Cross multiply
    80,547.61x = 111,152.62 × 44,739.91
  4. Step 4: Simplify right side
    80,547.61x = 4,972,958,215.06
  5. Step 5: Solve for x
    x = 4,972,958,215.06/80,547.61
  6. Step 6: Final answer
    x = 61,739.36

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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.