Home / 52,172.64-78,124.32-34,587.36

Finding the Fourth Proportional to 52,172.64, 78,124.32 and 34,587.36

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Solution

The fourth proportional to 52,172.64, 78,124.32 and 34,587.36 is: 51,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.64 : 78,124.32 = 34,587.36 : x
  2. Step 2: Convert to fraction form
    52,172.64/78,124.32 = 34,587.36/x
  3. Step 3: Cross multiply
    52,172.64x = 78,124.32 × 34,587.36
  4. Step 4: Simplify right side
    52,172.64x = 2,702,113,980.60
  5. Step 5: Solve for x
    x = 2,702,113,980.60/52,172.64
  6. Step 6: Final answer
    x = 51,791.78

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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.