Home / 56,100.30-84,150.45-51,507.60

Finding the Fourth Proportional to 56,100.30, 84,150.45 and 51,507.60

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Solution

The fourth proportional to 56,100.30, 84,150.45 and 51,507.60 is: 77,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.30 : 84,150.45 = 51,507.60 : x
  2. Step 2: Convert to fraction form
    56,100.30/84,150.45 = 51,507.60/x
  3. Step 3: Cross multiply
    56,100.30x = 84,150.45 × 51,507.60
  4. Step 4: Simplify right side
    56,100.30x = 4,334,387,718.42
  5. Step 5: Solve for x
    x = 4,334,387,718.42/56,100.30
  6. Step 6: Final answer
    x = 77,261.40

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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.