Home / 63,128.03-87,117.06-34,447.37

Finding the Fourth Proportional to 63,128.03, 87,117.06 and 34,447.37

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Solution

The fourth proportional to 63,128.03, 87,117.06 and 34,447.37 is: 47,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.03 : 87,117.06 = 34,447.37 : x
  2. Step 2: Convert to fraction form
    63,128.03/87,117.06 = 34,447.37/x
  3. Step 3: Cross multiply
    63,128.03x = 87,117.06 × 34,447.37
  4. Step 4: Simplify right side
    63,128.03x = 3,000,953,599.13
  5. Step 5: Solve for x
    x = 3,000,953,599.13/63,128.03
  6. Step 6: Final answer
    x = 47,537.58

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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.