Home / 92,878.07-128,173.46-52,591.71

Finding the Fourth Proportional to 92,878.07, 128,173.46 and 52,591.71

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Solution

The fourth proportional to 92,878.07, 128,173.46 and 52,591.71 is: 72,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,878.07 : 128,173.46 = 52,591.71 : x
  2. Step 2: Convert to fraction form
    92,878.07/128,173.46 = 52,591.71/x
  3. Step 3: Cross multiply
    92,878.07x = 128,173.46 × 52,591.71
  4. Step 4: Simplify right side
    92,878.07x = 6,740,861,438.02
  5. Step 5: Solve for x
    x = 6,740,861,438.02/92,878.07
  6. Step 6: Final answer
    x = 72,577.54

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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.