Home / 63,597.19-87,746.34-39,748.09

Finding the Fourth Proportional to 63,597.19, 87,746.34 and 39,748.09

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Solution

The fourth proportional to 63,597.19, 87,746.34 and 39,748.09 is: 54,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,597.19 : 87,746.34 = 39,748.09 : x
  2. Step 2: Convert to fraction form
    63,597.19/87,746.34 = 39,748.09/x
  3. Step 3: Cross multiply
    63,597.19x = 87,746.34 × 39,748.09
  4. Step 4: Simplify right side
    63,597.19x = 3,487,749,419.49
  5. Step 5: Solve for x
    x = 3,487,749,419.49/63,597.19
  6. Step 6: Final answer
    x = 54,841.25

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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.