Home / 52,237.19-78,358.52-39,776.76

Finding the Fourth Proportional to 52,237.19, 78,358.52 and 39,776.76

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Solution

The fourth proportional to 52,237.19, 78,358.52 and 39,776.76 is: 59,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,237.19 : 78,358.52 = 39,776.76 : x
  2. Step 2: Convert to fraction form
    52,237.19/78,358.52 = 39,776.76/x
  3. Step 3: Cross multiply
    52,237.19x = 78,358.52 × 39,776.76
  4. Step 4: Simplify right side
    52,237.19x = 3,116,848,044.00
  5. Step 5: Solve for x
    x = 3,116,848,044.00/52,237.19
  6. Step 6: Final answer
    x = 59,667.22

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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.