Home / 75,192.74-103,764.30-42,484.10

Finding the Fourth Proportional to 75,192.74, 103,764.30 and 42,484.10

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Solution

The fourth proportional to 75,192.74, 103,764.30 and 42,484.10 is: 58,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,192.74 : 103,764.30 = 42,484.10 : x
  2. Step 2: Convert to fraction form
    75,192.74/103,764.30 = 42,484.10/x
  3. Step 3: Cross multiply
    75,192.74x = 103,764.30 × 42,484.10
  4. Step 4: Simplify right side
    75,192.74x = 4,408,332,378.81
  5. Step 5: Solve for x
    x = 4,408,332,378.81/75,192.74
  6. Step 6: Final answer
    x = 58,627.11

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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.