Home / 93,147.24-128,543.99-50,705.67

Finding the Fourth Proportional to 93,147.24, 128,543.99 and 50,705.67

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Solution

The fourth proportional to 93,147.24, 128,543.99 and 50,705.67 is: 69,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,147.24 : 128,543.99 = 50,705.67 : x
  2. Step 2: Convert to fraction form
    93,147.24/128,543.99 = 50,705.67/x
  3. Step 3: Cross multiply
    93,147.24x = 128,543.99 × 50,705.67
  4. Step 4: Simplify right side
    93,147.24x = 6,517,908,883.89
  5. Step 5: Solve for x
    x = 6,517,908,883.89/93,147.24
  6. Step 6: Final answer
    x = 69,974.26

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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.