Home / 77,665.41-116,520.80-30,925.17

Finding the Fourth Proportional to 77,665.41, 116,520.80 and 30,925.17

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Solution

The fourth proportional to 77,665.41, 116,520.80 and 30,925.17 is: 46,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,665.41 : 116,520.80 = 30,925.17 : x
  2. Step 2: Convert to fraction form
    77,665.41/116,520.80 = 30,925.17/x
  3. Step 3: Cross multiply
    77,665.41x = 116,520.80 × 30,925.17
  4. Step 4: Simplify right side
    77,665.41x = 3,603,425,393.91
  5. Step 5: Solve for x
    x = 3,603,425,393.91/77,665.41
  6. Step 6: Final answer
    x = 46,396.79

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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.