Home / 108,587.55-162,780.48-42,071.16

Finding the Fourth Proportional to 108,587.55, 162,780.48 and 42,071.16

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Solution

The fourth proportional to 108,587.55, 162,780.48 and 42,071.16 is: 63,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,587.55 : 162,780.48 = 42,071.16 : x
  2. Step 2: Convert to fraction form
    108,587.55/162,780.48 = 42,071.16/x
  3. Step 3: Cross multiply
    108,587.55x = 162,780.48 × 42,071.16
  4. Step 4: Simplify right side
    108,587.55x = 6,848,363,618.96
  5. Step 5: Solve for x
    x = 6,848,363,618.96/108,587.55
  6. Step 6: Final answer
    x = 63,067.67

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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.