Home / 94,775.19-142,153.03-31,588.49

Finding the Fourth Proportional to 94,775.19, 142,153.03 and 31,588.49

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Solution

The fourth proportional to 94,775.19, 142,153.03 and 31,588.49 is: 47,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.19 : 142,153.03 = 31,588.49 : x
  2. Step 2: Convert to fraction form
    94,775.19/142,153.03 = 31,588.49/x
  3. Step 3: Cross multiply
    94,775.19x = 142,153.03 × 31,588.49
  4. Step 4: Simplify right side
    94,775.19x = 4,490,399,566.62
  5. Step 5: Solve for x
    x = 4,490,399,566.62/94,775.19
  6. Step 6: Final answer
    x = 47,379.48

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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.