Home / 93,318.59-128,780.41-50,877.43

Finding the Fourth Proportional to 93,318.59, 128,780.41 and 50,877.43

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Solution

The fourth proportional to 93,318.59, 128,780.41 and 50,877.43 is: 70,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,318.59 : 128,780.41 = 50,877.43 : x
  2. Step 2: Convert to fraction form
    93,318.59/128,780.41 = 50,877.43/x
  3. Step 3: Cross multiply
    93,318.59x = 128,780.41 × 50,877.43
  4. Step 4: Simplify right side
    93,318.59x = 6,552,016,295.15
  5. Step 5: Solve for x
    x = 6,552,016,295.15/93,318.59
  6. Step 6: Final answer
    x = 70,211.27

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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.