Home / 93,155.03-128,553.90-50,713.55

Finding the Fourth Proportional to 93,155.03, 128,553.90 and 50,713.55

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Solution

The fourth proportional to 93,155.03, 128,553.90 and 50,713.55 is: 69,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.03 : 128,553.90 = 50,713.55 : x
  2. Step 2: Convert to fraction form
    93,155.03/128,553.90 = 50,713.55/x
  3. Step 3: Cross multiply
    93,155.03x = 128,553.90 × 50,713.55
  4. Step 4: Simplify right side
    93,155.03x = 6,519,423,992.58
  5. Step 5: Solve for x
    x = 6,519,423,992.58/93,155.03
  6. Step 6: Final answer
    x = 69,984.67

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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.