Home / 56,909.23-85,415.48-28,848.80

Finding the Fourth Proportional to 56,909.23, 85,415.48 and 28,848.80

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Solution

The fourth proportional to 56,909.23, 85,415.48 and 28,848.80 is: 43,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.23 : 85,415.48 = 28,848.80 : x
  2. Step 2: Convert to fraction form
    56,909.23/85,415.48 = 28,848.80/x
  3. Step 3: Cross multiply
    56,909.23x = 85,415.48 × 28,848.80
  4. Step 4: Simplify right side
    56,909.23x = 2,464,134,099.42
  5. Step 5: Solve for x
    x = 2,464,134,099.42/56,909.23
  6. Step 6: Final answer
    x = 43,299.38

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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.