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Finding the Fourth Proportional to 93,999.67, 140,811.51 and 56,539.06

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Solution

The fourth proportional to 93,999.67, 140,811.51 and 56,539.06 is: 84,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,999.67 : 140,811.51 = 56,539.06 : x
  2. Step 2: Convert to fraction form
    93,999.67/140,811.51 = 56,539.06/x
  3. Step 3: Cross multiply
    93,999.67x = 140,811.51 × 56,539.06
  4. Step 4: Simplify right side
    93,999.67x = 7,961,350,412.58
  5. Step 5: Solve for x
    x = 7,961,350,412.58/93,999.67
  6. Step 6: Final answer
    x = 84,695.51

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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.