Home / 93,145.25-128,540.46-50,704.10

Finding the Fourth Proportional to 93,145.25, 128,540.46 and 50,704.10

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Solution

The fourth proportional to 93,145.25, 128,540.46 and 50,704.10 is: 69,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.25 : 128,540.46 = 50,704.10 : x
  2. Step 2: Convert to fraction form
    93,145.25/128,540.46 = 50,704.10/x
  3. Step 3: Cross multiply
    93,145.25x = 128,540.46 × 50,704.10
  4. Step 4: Simplify right side
    93,145.25x = 6,517,528,337.89
  5. Step 5: Solve for x
    x = 6,517,528,337.89/93,145.25
  6. Step 6: Final answer
    x = 69,971.67

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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.