Home / 86,898.12-119,929.50-52,926.54

Finding the Fourth Proportional to 86,898.12, 119,929.50 and 52,926.54

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Solution

The fourth proportional to 86,898.12, 119,929.50 and 52,926.54 is: 73,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898.12 : 119,929.50 = 52,926.54 : x
  2. Step 2: Convert to fraction form
    86,898.12/119,929.50 = 52,926.54/x
  3. Step 3: Cross multiply
    86,898.12x = 119,929.50 × 52,926.54
  4. Step 4: Simplify right side
    86,898.12x = 6,347,453,478.93
  5. Step 5: Solve for x
    x = 6,347,453,478.93/86,898.12
  6. Step 6: Final answer
    x = 73,044.77

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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.