Home / 51,715.14-71,374.61-31,583.60

Finding the Fourth Proportional to 51,715.14, 71,374.61 and 31,583.60

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Solution

The fourth proportional to 51,715.14, 71,374.61 and 31,583.60 is: 43,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.14 : 71,374.61 = 31,583.60 : x
  2. Step 2: Convert to fraction form
    51,715.14/71,374.61 = 31,583.60/x
  3. Step 3: Cross multiply
    51,715.14x = 71,374.61 × 31,583.60
  4. Step 4: Simplify right side
    51,715.14x = 2,254,267,132.40
  5. Step 5: Solve for x
    x = 2,254,267,132.40/51,715.14
  6. Step 6: Final answer
    x = 43,590.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.