Home / 77,869.49-116,878.08-48,197.57

Finding the Fourth Proportional to 77,869.49, 116,878.08 and 48,197.57

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Solution

The fourth proportional to 77,869.49, 116,878.08 and 48,197.57 is: 72,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,869.49 : 116,878.08 = 48,197.57 : x
  2. Step 2: Convert to fraction form
    77,869.49/116,878.08 = 48,197.57/x
  3. Step 3: Cross multiply
    77,869.49x = 116,878.08 × 48,197.57
  4. Step 4: Simplify right side
    77,869.49x = 5,633,239,442.27
  5. Step 5: Solve for x
    x = 5,633,239,442.27/77,869.49
  6. Step 6: Final answer
    x = 72,342.06

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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.