Home / 76,705.04-105,824.85-46,468.55

Finding the Fourth Proportional to 76,705.04, 105,824.85 and 46,468.55

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Solution

The fourth proportional to 76,705.04, 105,824.85 and 46,468.55 is: 64,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,705.04 : 105,824.85 = 46,468.55 : x
  2. Step 2: Convert to fraction form
    76,705.04/105,824.85 = 46,468.55/x
  3. Step 3: Cross multiply
    76,705.04x = 105,824.85 × 46,468.55
  4. Step 4: Simplify right side
    76,705.04x = 4,917,526,804.34
  5. Step 5: Solve for x
    x = 4,917,526,804.34/76,705.04
  6. Step 6: Final answer
    x = 64,109.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.