Home / 55,475.10-76,539.60-34,261.20

Finding the Fourth Proportional to 55,475.10, 76,539.60 and 34,261.20

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Solution

The fourth proportional to 55,475.10, 76,539.60 and 34,261.20 is: 47,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.10 : 76,539.60 = 34,261.20 : x
  2. Step 2: Convert to fraction form
    55,475.10/76,539.60 = 34,261.20/x
  3. Step 3: Cross multiply
    55,475.10x = 76,539.60 × 34,261.20
  4. Step 4: Simplify right side
    55,475.10x = 2,622,338,543.52
  5. Step 5: Solve for x
    x = 2,622,338,543.52/55,475.10
  6. Step 6: Final answer
    x = 47,270.55

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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.