Home / 56,557.83-84,822.72-19,117.08

Finding the Fourth Proportional to 56,557.83, 84,822.72 and 19,117.08

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Solution

The fourth proportional to 56,557.83, 84,822.72 and 19,117.08 is: 28,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.83 : 84,822.72 = 19,117.08 : x
  2. Step 2: Convert to fraction form
    56,557.83/84,822.72 = 19,117.08/x
  3. Step 3: Cross multiply
    56,557.83x = 84,822.72 × 19,117.08
  4. Step 4: Simplify right side
    56,557.83x = 1,621,562,724.06
  5. Step 5: Solve for x
    x = 1,621,562,724.06/56,557.83
  6. Step 6: Final answer
    x = 28,670.88

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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.