Home / 212,315.48-318,528.32-62,561.08

Finding the Fourth Proportional to 212,315.48, 318,528.32 and 62,561.08

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Solution

The fourth proportional to 212,315.48, 318,528.32 and 62,561.08 is: 93,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,315.48 : 318,528.32 = 62,561.08 : x
  2. Step 2: Convert to fraction form
    212,315.48/318,528.32 = 62,561.08/x
  3. Step 3: Cross multiply
    212,315.48x = 318,528.32 × 62,561.08
  4. Step 4: Simplify right side
    212,315.48x = 19,927,475,709.79
  5. Step 5: Solve for x
    x = 19,927,475,709.79/212,315.48
  6. Step 6: Final answer
    x = 93,857.86

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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.