Home / 59,688.96-82,359.36-40,819.20

Finding the Fourth Proportional to 59,688.96, 82,359.36 and 40,819.20

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Solution

The fourth proportional to 59,688.96, 82,359.36 and 40,819.20 is: 56,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,688.96 : 82,359.36 = 40,819.20 : x
  2. Step 2: Convert to fraction form
    59,688.96/82,359.36 = 40,819.20/x
  3. Step 3: Cross multiply
    59,688.96x = 82,359.36 × 40,819.20
  4. Step 4: Simplify right side
    59,688.96x = 3,361,843,187.71
  5. Step 5: Solve for x
    x = 3,361,843,187.71/59,688.96
  6. Step 6: Final answer
    x = 56,322.70

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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.