Home / 70,929.73-97,875.30-39,092.50

Finding the Fourth Proportional to 70,929.73, 97,875.30 and 39,092.50

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Solution

The fourth proportional to 70,929.73, 97,875.30 and 39,092.50 is: 53,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.73 : 97,875.30 = 39,092.50 : x
  2. Step 2: Convert to fraction form
    70,929.73/97,875.30 = 39,092.50/x
  3. Step 3: Cross multiply
    70,929.73x = 97,875.30 × 39,092.50
  4. Step 4: Simplify right side
    70,929.73x = 3,826,190,165.25
  5. Step 5: Solve for x
    x = 3,826,190,165.25/70,929.73
  6. Step 6: Final answer
    x = 53,943.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.