Home / 79,258.46-109,275.99-56,624.54

Finding the Fourth Proportional to 79,258.46, 109,275.99 and 56,624.54

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Solution

The fourth proportional to 79,258.46, 109,275.99 and 56,624.54 is: 78,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,258.46 : 109,275.99 = 56,624.54 : x
  2. Step 2: Convert to fraction form
    79,258.46/109,275.99 = 56,624.54/x
  3. Step 3: Cross multiply
    79,258.46x = 109,275.99 × 56,624.54
  4. Step 4: Simplify right side
    79,258.46x = 6,187,702,666.79
  5. Step 5: Solve for x
    x = 6,187,702,666.79/79,258.46
  6. Step 6: Final answer
    x = 78,069.93

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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.