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Finding the Fourth Proportional to 93,473.80, 140,210.70 and 43,537.30

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Solution

The fourth proportional to 93,473.80, 140,210.70 and 43,537.30 is: 65,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473.80 : 140,210.70 = 43,537.30 : x
  2. Step 2: Convert to fraction form
    93,473.80/140,210.70 = 43,537.30/x
  3. Step 3: Cross multiply
    93,473.80x = 140,210.70 × 43,537.30
  4. Step 4: Simplify right side
    93,473.80x = 6,104,395,309.11
  5. Step 5: Solve for x
    x = 6,104,395,309.11/93,473.80
  6. Step 6: Final answer
    x = 65,305.95

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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.