Home / 93,317.03-139,731.56-51,109.32

Finding the Fourth Proportional to 93,317.03, 139,731.56 and 51,109.32

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Solution

The fourth proportional to 93,317.03, 139,731.56 and 51,109.32 is: 76,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.03 : 139,731.56 = 51,109.32 : x
  2. Step 2: Convert to fraction form
    93,317.03/139,731.56 = 51,109.32/x
  3. Step 3: Cross multiply
    93,317.03x = 139,731.56 × 51,109.32
  4. Step 4: Simplify right side
    93,317.03x = 7,141,585,014.14
  5. Step 5: Solve for x
    x = 7,141,585,014.14/93,317.03
  6. Step 6: Final answer
    x = 76,530.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.