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Finding the Fourth Proportional to 93,254.82, 139,923.58 and 48,871.02

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Solution

The fourth proportional to 93,254.82, 139,923.58 and 48,871.02 is: 73,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254.82 : 139,923.58 = 48,871.02 : x
  2. Step 2: Convert to fraction form
    93,254.82/139,923.58 = 48,871.02/x
  3. Step 3: Cross multiply
    93,254.82x = 139,923.58 × 48,871.02
  4. Step 4: Simplify right side
    93,254.82x = 6,838,208,076.65
  5. Step 5: Solve for x
    x = 6,838,208,076.65/93,254.82
  6. Step 6: Final answer
    x = 73,328.20

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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.