Home / 92,542.20-138,792.48-42,574.28

Finding the Fourth Proportional to 92,542.20, 138,792.48 and 42,574.28

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Solution

The fourth proportional to 92,542.20, 138,792.48 and 42,574.28 is: 63,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542.20 : 138,792.48 = 42,574.28 : x
  2. Step 2: Convert to fraction form
    92,542.20/138,792.48 = 42,574.28/x
  3. Step 3: Cross multiply
    92,542.20x = 138,792.48 × 42,574.28
  4. Step 4: Simplify right side
    92,542.20x = 5,908,989,905.41
  5. Step 5: Solve for x
    x = 5,908,989,905.41/92,542.20
  6. Step 6: Final answer
    x = 63,851.84

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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.