Home / 55,547.64-76,721.31-37,611.54

Finding the Fourth Proportional to 55,547.64, 76,721.31 and 37,611.54

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Solution

The fourth proportional to 55,547.64, 76,721.31 and 37,611.54 is: 51,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.64 : 76,721.31 = 37,611.54 : x
  2. Step 2: Convert to fraction form
    55,547.64/76,721.31 = 37,611.54/x
  3. Step 3: Cross multiply
    55,547.64x = 76,721.31 × 37,611.54
  4. Step 4: Simplify right side
    55,547.64x = 2,885,606,619.92
  5. Step 5: Solve for x
    x = 2,885,606,619.92/55,547.64
  6. Step 6: Final answer
    x = 51,948.32

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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.