Home / 77,452.04-115,653.43-61,477.85

Finding the Fourth Proportional to 77,452.04, 115,653.43 and 61,477.85

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Solution

The fourth proportional to 77,452.04, 115,653.43 and 61,477.85 is: 91,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,452.04 : 115,653.43 = 61,477.85 : x
  2. Step 2: Convert to fraction form
    77,452.04/115,653.43 = 61,477.85/x
  3. Step 3: Cross multiply
    77,452.04x = 115,653.43 × 61,477.85
  4. Step 4: Simplify right side
    77,452.04x = 7,110,124,221.53
  5. Step 5: Solve for x
    x = 7,110,124,221.53/77,452.04
  6. Step 6: Final answer
    x = 91,800.35

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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.