Home / 92,928.59-128,241.11-50,486.75

Finding the Fourth Proportional to 92,928.59, 128,241.11 and 50,486.75

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Solution

The fourth proportional to 92,928.59, 128,241.11 and 50,486.75 is: 69,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,928.59 : 128,241.11 = 50,486.75 : x
  2. Step 2: Convert to fraction form
    92,928.59/128,241.11 = 50,486.75/x
  3. Step 3: Cross multiply
    92,928.59x = 128,241.11 × 50,486.75
  4. Step 4: Simplify right side
    92,928.59x = 6,474,475,966.65
  5. Step 5: Solve for x
    x = 6,474,475,966.65/92,928.59
  6. Step 6: Final answer
    x = 69,671.52

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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.