Home / 78,518.97-108,316.04-46,230.75

Finding the Fourth Proportional to 78,518.97, 108,316.04 and 46,230.75

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Solution

The fourth proportional to 78,518.97, 108,316.04 and 46,230.75 is: 63,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,518.97 : 108,316.04 = 46,230.75 : x
  2. Step 2: Convert to fraction form
    78,518.97/108,316.04 = 46,230.75/x
  3. Step 3: Cross multiply
    78,518.97x = 108,316.04 × 46,230.75
  4. Step 4: Simplify right side
    78,518.97x = 5,007,531,535.08
  5. Step 5: Solve for x
    x = 5,007,531,535.08/78,518.97
  6. Step 6: Final answer
    x = 63,774.80

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1.5x scale

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.