Home / 92,254.41-138,274.09-42,339.78

Finding the Fourth Proportional to 92,254.41, 138,274.09 and 42,339.78

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Solution

The fourth proportional to 92,254.41, 138,274.09 and 42,339.78 is: 63,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,254.41 : 138,274.09 = 42,339.78 : x
  2. Step 2: Convert to fraction form
    92,254.41/138,274.09 = 42,339.78/x
  3. Step 3: Cross multiply
    92,254.41x = 138,274.09 × 42,339.78
  4. Step 4: Simplify right side
    92,254.41x = 5,854,494,444.45
  5. Step 5: Solve for x
    x = 5,854,494,444.45/92,254.41
  6. Step 6: Final answer
    x = 63,460.32

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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.