Home / 54,237.90-74,846.10-31,577.55

Finding the Fourth Proportional to 54,237.90, 74,846.10 and 31,577.55

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Solution

The fourth proportional to 54,237.90, 74,846.10 and 31,577.55 is: 43,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.90 : 74,846.10 = 31,577.55 : x
  2. Step 2: Convert to fraction form
    54,237.90/74,846.10 = 31,577.55/x
  3. Step 3: Cross multiply
    54,237.90x = 74,846.10 × 31,577.55
  4. Step 4: Simplify right side
    54,237.90x = 2,363,456,465.06
  5. Step 5: Solve for x
    x = 2,363,456,465.06/54,237.90
  6. Step 6: Final answer
    x = 43,575.74

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1.5x scale

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.