Home / 52,595.96-78,696.30-31,458.20

Finding the Fourth Proportional to 52,595.96, 78,696.30 and 31,458.20

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Solution

The fourth proportional to 52,595.96, 78,696.30 and 31,458.20 is: 47,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,595.96 : 78,696.30 = 31,458.20 : x
  2. Step 2: Convert to fraction form
    52,595.96/78,696.30 = 31,458.20/x
  3. Step 3: Cross multiply
    52,595.96x = 78,696.30 × 31,458.20
  4. Step 4: Simplify right side
    52,595.96x = 2,475,643,944.66
  5. Step 5: Solve for x
    x = 2,475,643,944.66/52,595.96
  6. Step 6: Final answer
    x = 47,069.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.