Home / 52,483.28-78,390.44-47,477.96

Finding the Fourth Proportional to 52,483.28, 78,390.44 and 47,477.96

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Solution

The fourth proportional to 52,483.28, 78,390.44 and 47,477.96 is: 70,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.28 : 78,390.44 = 47,477.96 : x
  2. Step 2: Convert to fraction form
    52,483.28/78,390.44 = 47,477.96/x
  3. Step 3: Cross multiply
    52,483.28x = 78,390.44 × 47,477.96
  4. Step 4: Simplify right side
    52,483.28x = 3,721,818,174.70
  5. Step 5: Solve for x
    x = 3,721,818,174.70/52,483.28
  6. Step 6: Final answer
    x = 70,914.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.