Home / 97,045.70-133,968.33-56,753.87

Finding the Fourth Proportional to 97,045.70, 133,968.33 and 56,753.87

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Solution

The fourth proportional to 97,045.70, 133,968.33 and 56,753.87 is: 78,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,045.70 : 133,968.33 = 56,753.87 : x
  2. Step 2: Convert to fraction form
    97,045.70/133,968.33 = 56,753.87/x
  3. Step 3: Cross multiply
    97,045.70x = 133,968.33 × 56,753.87
  4. Step 4: Simplify right side
    97,045.70x = 7,603,220,515.10
  5. Step 5: Solve for x
    x = 7,603,220,515.10/97,045.70
  6. Step 6: Final answer
    x = 78,346.81

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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.