Home / 77,715.42-116,532.96-25,118.04

Finding the Fourth Proportional to 77,715.42, 116,532.96 and 25,118.04

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Solution

The fourth proportional to 77,715.42, 116,532.96 and 25,118.04 is: 37,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.42 : 116,532.96 = 25,118.04 : x
  2. Step 2: Convert to fraction form
    77,715.42/116,532.96 = 25,118.04/x
  3. Step 3: Cross multiply
    77,715.42x = 116,532.96 × 25,118.04
  4. Step 4: Simplify right side
    77,715.42x = 2,927,079,550.60
  5. Step 5: Solve for x
    x = 2,927,079,550.60/77,715.42
  6. Step 6: Final answer
    x = 37,664.08

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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.