Home / 52,135.23-78,307.58-31,116.34

Finding the Fourth Proportional to 52,135.23, 78,307.58 and 31,116.34

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Solution

The fourth proportional to 52,135.23, 78,307.58 and 31,116.34 is: 46,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.23 : 78,307.58 = 31,116.34 : x
  2. Step 2: Convert to fraction form
    52,135.23/78,307.58 = 31,116.34/x
  3. Step 3: Cross multiply
    52,135.23x = 78,307.58 × 31,116.34
  4. Step 4: Simplify right side
    52,135.23x = 2,436,645,283.86
  5. Step 5: Solve for x
    x = 2,436,645,283.86/52,135.23
  6. Step 6: Final answer
    x = 46,737.02

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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.