Home / 75,095.60-103,630.36-41,103.28

Finding the Fourth Proportional to 75,095.60, 103,630.36 and 41,103.28

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Solution

The fourth proportional to 75,095.60, 103,630.36 and 41,103.28 is: 56,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.60 : 103,630.36 = 41,103.28 : x
  2. Step 2: Convert to fraction form
    75,095.60/103,630.36 = 41,103.28/x
  3. Step 3: Cross multiply
    75,095.60x = 103,630.36 × 41,103.28
  4. Step 4: Simplify right side
    75,095.60x = 4,259,547,703.58
  5. Step 5: Solve for x
    x = 4,259,547,703.58/75,095.60
  6. Step 6: Final answer
    x = 56,721.67

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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.