Home / 64,751.13-97,101.09-31,461.35

Finding the Fourth Proportional to 64,751.13, 97,101.09 and 31,461.35

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Solution

The fourth proportional to 64,751.13, 97,101.09 and 31,461.35 is: 47,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,751.13 : 97,101.09 = 31,461.35 : x
  2. Step 2: Convert to fraction form
    64,751.13/97,101.09 = 31,461.35/x
  3. Step 3: Cross multiply
    64,751.13x = 97,101.09 × 31,461.35
  4. Step 4: Simplify right side
    64,751.13x = 3,054,930,892.37
  5. Step 5: Solve for x
    x = 3,054,930,892.37/64,751.13
  6. Step 6: Final answer
    x = 47,179.58

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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.