Home / 97,042.56-133,954.86-56,768.95

Finding the Fourth Proportional to 97,042.56, 133,954.86 and 56,768.95

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Solution

The fourth proportional to 97,042.56, 133,954.86 and 56,768.95 is: 78,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,042.56 : 133,954.86 = 56,768.95 : x
  2. Step 2: Convert to fraction form
    97,042.56/133,954.86 = 56,768.95/x
  3. Step 3: Cross multiply
    97,042.56x = 133,954.86 × 56,768.95
  4. Step 4: Simplify right side
    97,042.56x = 7,604,477,129.92
  5. Step 5: Solve for x
    x = 7,604,477,129.92/97,042.56
  6. Step 6: Final answer
    x = 78,362.29

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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.