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Finding the Fourth Proportional to 93,122.65, 139,686.54 and 34,002.37

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Solution

The fourth proportional to 93,122.65, 139,686.54 and 34,002.37 is: 51,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.65 : 139,686.54 = 34,002.37 : x
  2. Step 2: Convert to fraction form
    93,122.65/139,686.54 = 34,002.37/x
  3. Step 3: Cross multiply
    93,122.65x = 139,686.54 × 34,002.37
  4. Step 4: Simplify right side
    93,122.65x = 4,749,673,417.10
  5. Step 5: Solve for x
    x = 4,749,673,417.10/93,122.65
  6. Step 6: Final answer
    x = 51,004.49

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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.