Home / 97,731.98-134,869.23-55,290.52

Finding the Fourth Proportional to 97,731.98, 134,869.23 and 55,290.52

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Solution

The fourth proportional to 97,731.98, 134,869.23 and 55,290.52 is: 76,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.98 : 134,869.23 = 55,290.52 : x
  2. Step 2: Convert to fraction form
    97,731.98/134,869.23 = 55,290.52/x
  3. Step 3: Cross multiply
    97,731.98x = 134,869.23 × 55,290.52
  4. Step 4: Simplify right side
    97,731.98x = 7,456,989,113.14
  5. Step 5: Solve for x
    x = 7,456,989,113.14/97,731.98
  6. Step 6: Final answer
    x = 76,300.40

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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.