Home / 93,890.89-140,648.73-56,430.73

Finding the Fourth Proportional to 93,890.89, 140,648.73 and 56,430.73

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Solution

The fourth proportional to 93,890.89, 140,648.73 and 56,430.73 is: 84,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,890.89 : 140,648.73 = 56,430.73 : x
  2. Step 2: Convert to fraction form
    93,890.89/140,648.73 = 56,430.73/x
  3. Step 3: Cross multiply
    93,890.89x = 140,648.73 × 56,430.73
  4. Step 4: Simplify right side
    93,890.89x = 7,936,910,507.47
  5. Step 5: Solve for x
    x = 7,936,910,507.47/93,890.89
  6. Step 6: Final answer
    x = 84,533.34

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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.