Home / 77,816.47-116,636.17-47,354.42

Finding the Fourth Proportional to 77,816.47, 116,636.17 and 47,354.42

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Solution

The fourth proportional to 77,816.47, 116,636.17 and 47,354.42 is: 70,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.47 : 116,636.17 = 47,354.42 : x
  2. Step 2: Convert to fraction form
    77,816.47/116,636.17 = 47,354.42/x
  3. Step 3: Cross multiply
    77,816.47x = 116,636.17 × 47,354.42
  4. Step 4: Simplify right side
    77,816.47x = 5,523,238,156.44
  5. Step 5: Solve for x
    x = 5,523,238,156.44/77,816.47
  6. Step 6: Final answer
    x = 70,977.75

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1.5x scale

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.