Home / 52,673.49-72,713.80-31,156.45

Finding the Fourth Proportional to 52,673.49, 72,713.80 and 31,156.45

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Solution

The fourth proportional to 52,673.49, 72,713.80 and 31,156.45 is: 43,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.49 : 72,713.80 = 31,156.45 : x
  2. Step 2: Convert to fraction form
    52,673.49/72,713.80 = 31,156.45/x
  3. Step 3: Cross multiply
    52,673.49x = 72,713.80 × 31,156.45
  4. Step 4: Simplify right side
    52,673.49x = 2,265,503,731.17
  5. Step 5: Solve for x
    x = 2,265,503,731.17/52,673.49
  6. Step 6: Final answer
    x = 43,010.32

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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.