Home / 92,612.08-138,615.16-50,386.80

Finding the Fourth Proportional to 92,612.08, 138,615.16 and 50,386.80

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Solution

The fourth proportional to 92,612.08, 138,615.16 and 50,386.80 is: 75,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.08 : 138,615.16 = 50,386.80 : x
  2. Step 2: Convert to fraction form
    92,612.08/138,615.16 = 50,386.80/x
  3. Step 3: Cross multiply
    92,612.08x = 138,615.16 × 50,386.80
  4. Step 4: Simplify right side
    92,612.08x = 6,984,374,343.89
  5. Step 5: Solve for x
    x = 6,984,374,343.89/92,612.08
  6. Step 6: Final answer
    x = 75,415.37

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1.5x scale

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.