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Finding the Fourth Proportional to 93,004, 139,506 and 30,679.36

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Solution

The fourth proportional to 93,004, 139,506 and 30,679.36 is: 46,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004 : 139,506 = 30,679.36 : x
  2. Step 2: Convert to fraction form
    93,004/139,506 = 30,679.36/x
  3. Step 3: Cross multiply
    93,004x = 139,506 × 30,679.36
  4. Step 4: Simplify right side
    93,004x = 4,279,954,796.16
  5. Step 5: Solve for x
    x = 4,279,954,796.16/93,004
  6. Step 6: Final answer
    x = 46,019.04

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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.