Home / 92,880.25-128,173.61-50,439.08

Finding the Fourth Proportional to 92,880.25, 128,173.61 and 50,439.08

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Solution

The fourth proportional to 92,880.25, 128,173.61 and 50,439.08 is: 69,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.25 : 128,173.61 = 50,439.08 : x
  2. Step 2: Convert to fraction form
    92,880.25/128,173.61 = 50,439.08/x
  3. Step 3: Cross multiply
    92,880.25x = 128,173.61 × 50,439.08
  4. Step 4: Simplify right side
    92,880.25x = 6,464,958,968.68
  5. Step 5: Solve for x
    x = 6,464,958,968.68/92,880.25
  6. Step 6: Final answer
    x = 69,605.31

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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.