Home / 93,724.80-129,341.16-51,285.12

Finding the Fourth Proportional to 93,724.80, 129,341.16 and 51,285.12

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Solution

The fourth proportional to 93,724.80, 129,341.16 and 51,285.12 is: 70,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,724.80 : 129,341.16 = 51,285.12 : x
  2. Step 2: Convert to fraction form
    93,724.80/129,341.16 = 51,285.12/x
  3. Step 3: Cross multiply
    93,724.80x = 129,341.16 × 51,285.12
  4. Step 4: Simplify right side
    93,724.80x = 6,633,276,911.54
  5. Step 5: Solve for x
    x = 6,633,276,911.54/93,724.80
  6. Step 6: Final answer
    x = 70,773.98

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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.