Home / 78,317.01-108,039.42-46,463.36

Finding the Fourth Proportional to 78,317.01, 108,039.42 and 46,463.36

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Solution

The fourth proportional to 78,317.01, 108,039.42 and 46,463.36 is: 64,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,317.01 : 108,039.42 = 46,463.36 : x
  2. Step 2: Convert to fraction form
    78,317.01/108,039.42 = 46,463.36/x
  3. Step 3: Cross multiply
    78,317.01x = 108,039.42 × 46,463.36
  4. Step 4: Simplify right side
    78,317.01x = 5,019,873,925.45
  5. Step 5: Solve for x
    x = 5,019,873,925.45/78,317.01
  6. Step 6: Final answer
    x = 64,096.85

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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.