Home / 93,669.60-140,212.80-54,109.20

Finding the Fourth Proportional to 93,669.60, 140,212.80 and 54,109.20

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Solution

The fourth proportional to 93,669.60, 140,212.80 and 54,109.20 is: 80,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.60 : 140,212.80 = 54,109.20 : x
  2. Step 2: Convert to fraction form
    93,669.60/140,212.80 = 54,109.20/x
  3. Step 3: Cross multiply
    93,669.60x = 140,212.80 × 54,109.20
  4. Step 4: Simplify right side
    93,669.60x = 7,586,802,437.76
  5. Step 5: Solve for x
    x = 7,586,802,437.76/93,669.60
  6. Step 6: Final answer
    x = 80,995.35

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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.