Home / 92,748.36-139,015.08-42,723.48

Finding the Fourth Proportional to 92,748.36, 139,015.08 and 42,723.48

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Solution

The fourth proportional to 92,748.36, 139,015.08 and 42,723.48 is: 64,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,748.36 : 139,015.08 = 42,723.48 : x
  2. Step 2: Convert to fraction form
    92,748.36/139,015.08 = 42,723.48/x
  3. Step 3: Cross multiply
    92,748.36x = 139,015.08 × 42,723.48
  4. Step 4: Simplify right side
    92,748.36x = 5,939,207,990.08
  5. Step 5: Solve for x
    x = 5,939,207,990.08/92,748.36
  6. Step 6: Final answer
    x = 64,035.72

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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.