Home / 93,156.75-128,556.62-50,715.59

Finding the Fourth Proportional to 93,156.75, 128,556.62 and 50,715.59

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Solution

The fourth proportional to 93,156.75, 128,556.62 and 50,715.59 is: 69,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.75 : 128,556.62 = 50,715.59 : x
  2. Step 2: Convert to fraction form
    93,156.75/128,556.62 = 50,715.59/x
  3. Step 3: Cross multiply
    93,156.75x = 128,556.62 × 50,715.59
  4. Step 4: Simplify right side
    93,156.75x = 6,519,824,125.53
  5. Step 5: Solve for x
    x = 6,519,824,125.53/93,156.75
  6. Step 6: Final answer
    x = 69,987.67

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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.