Home / 40,079.53-60,099.35-13,416.25

Finding the Fourth Proportional to 40,079.53, 60,099.35 and 13,416.25

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Solution

The fourth proportional to 40,079.53, 60,099.35 and 13,416.25 is: 20,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.53 : 60,099.35 = 13,416.25 : x
  2. Step 2: Convert to fraction form
    40,079.53/60,099.35 = 13,416.25/x
  3. Step 3: Cross multiply
    40,079.53x = 60,099.35 × 13,416.25
  4. Step 4: Simplify right side
    40,079.53x = 806,307,904.44
  5. Step 5: Solve for x
    x = 806,307,904.44/40,079.53
  6. Step 6: Final answer
    x = 20,117.70

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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.