Home / 97,649.40-146,279.70-56,047.80

Finding the Fourth Proportional to 97,649.40, 146,279.70 and 56,047.80

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Solution

The fourth proportional to 97,649.40, 146,279.70 and 56,047.80 is: 83,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,649.40 : 146,279.70 = 56,047.80 : x
  2. Step 2: Convert to fraction form
    97,649.40/146,279.70 = 56,047.80/x
  3. Step 3: Cross multiply
    97,649.40x = 146,279.70 × 56,047.80
  4. Step 4: Simplify right side
    97,649.40x = 8,198,655,369.66
  5. Step 5: Solve for x
    x = 8,198,655,369.66/97,649.40
  6. Step 6: Final answer
    x = 83,960.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.