Home / 76,298.13-105,377.64-52,057.50

Finding the Fourth Proportional to 76,298.13, 105,377.64 and 52,057.50

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Solution

The fourth proportional to 76,298.13, 105,377.64 and 52,057.50 is: 71,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,298.13 : 105,377.64 = 52,057.50 : x
  2. Step 2: Convert to fraction form
    76,298.13/105,377.64 = 52,057.50/x
  3. Step 3: Cross multiply
    76,298.13x = 105,377.64 × 52,057.50
  4. Step 4: Simplify right side
    76,298.13x = 5,485,696,494.30
  5. Step 5: Solve for x
    x = 5,485,696,494.30/76,298.13
  6. Step 6: Final answer
    x = 71,898.18

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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.