Home / 56,478.06-84,695.42-19,028.01

Finding the Fourth Proportional to 56,478.06, 84,695.42 and 19,028.01

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Solution

The fourth proportional to 56,478.06, 84,695.42 and 19,028.01 is: 28,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.06 : 84,695.42 = 19,028.01 : x
  2. Step 2: Convert to fraction form
    56,478.06/84,695.42 = 19,028.01/x
  3. Step 3: Cross multiply
    56,478.06x = 84,695.42 × 19,028.01
  4. Step 4: Simplify right side
    56,478.06x = 1,611,585,663.89
  5. Step 5: Solve for x
    x = 1,611,585,663.89/56,478.06
  6. Step 6: Final answer
    x = 28,534.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.