Home / 77,451.04-115,651.94-61,476.85

Finding the Fourth Proportional to 77,451.04, 115,651.94 and 61,476.85

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Solution

The fourth proportional to 77,451.04, 115,651.94 and 61,476.85 is: 91,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,451.04 : 115,651.94 = 61,476.85 : x
  2. Step 2: Convert to fraction form
    77,451.04/115,651.94 = 61,476.85/x
  3. Step 3: Cross multiply
    77,451.04x = 115,651.94 × 61,476.85
  4. Step 4: Simplify right side
    77,451.04x = 7,109,916,389.33
  5. Step 5: Solve for x
    x = 7,109,916,389.33/77,451.04
  6. Step 6: Final answer
    x = 91,798.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.