Home / 70,276.96-96,984.50-38,445.86

Finding the Fourth Proportional to 70,276.96, 96,984.50 and 38,445.86

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Solution

The fourth proportional to 70,276.96, 96,984.50 and 38,445.86 is: 53,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,276.96 : 96,984.50 = 38,445.86 : x
  2. Step 2: Convert to fraction form
    70,276.96/96,984.50 = 38,445.86/x
  3. Step 3: Cross multiply
    70,276.96x = 96,984.50 × 38,445.86
  4. Step 4: Simplify right side
    70,276.96x = 3,728,652,316.94
  5. Step 5: Solve for x
    x = 3,728,652,316.94/70,276.96
  6. Step 6: Final answer
    x = 53,056.54

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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.