Home / 57,979.83-86,965.50-18,526.35

Finding the Fourth Proportional to 57,979.83, 86,965.50 and 18,526.35

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Solution

The fourth proportional to 57,979.83, 86,965.50 and 18,526.35 is: 27,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.83 : 86,965.50 = 18,526.35 : x
  2. Step 2: Convert to fraction form
    57,979.83/86,965.50 = 18,526.35/x
  3. Step 3: Cross multiply
    57,979.83x = 86,965.50 × 18,526.35
  4. Step 4: Simplify right side
    57,979.83x = 1,611,153,582.31
  5. Step 5: Solve for x
    x = 1,611,153,582.31/57,979.83
  6. Step 6: Final answer
    x = 27,788.17

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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.