Home / 97,020.95-133,839.92-56,708.38

Finding the Fourth Proportional to 97,020.95, 133,839.92 and 56,708.38

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Solution

The fourth proportional to 97,020.95, 133,839.92 and 56,708.38 is: 78,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,020.95 : 133,839.92 = 56,708.38 : x
  2. Step 2: Convert to fraction form
    97,020.95/133,839.92 = 56,708.38/x
  3. Step 3: Cross multiply
    97,020.95x = 133,839.92 × 56,708.38
  4. Step 4: Simplify right side
    97,020.95x = 7,589,844,849.70
  5. Step 5: Solve for x
    x = 7,589,844,849.70/97,020.95
  6. Step 6: Final answer
    x = 78,228.93

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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.