Home / 70,558.86-97,364.84-38,727.06

Finding the Fourth Proportional to 70,558.86, 97,364.84 and 38,727.06

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Solution

The fourth proportional to 70,558.86, 97,364.84 and 38,727.06 is: 53,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.86 : 97,364.84 = 38,727.06 : x
  2. Step 2: Convert to fraction form
    70,558.86/97,364.84 = 38,727.06/x
  3. Step 3: Cross multiply
    70,558.86x = 97,364.84 × 38,727.06
  4. Step 4: Simplify right side
    70,558.86x = 3,770,654,000.57
  5. Step 5: Solve for x
    x = 3,770,654,000.57/70,558.86
  6. Step 6: Final answer
    x = 53,439.84

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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.