Home / 51,194.18-70,136.45-49,276.64

Finding the Fourth Proportional to 51,194.18, 70,136.45 and 49,276.64

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Solution

The fourth proportional to 51,194.18, 70,136.45 and 49,276.64 is: 67,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.18 : 70,136.45 = 49,276.64 : x
  2. Step 2: Convert to fraction form
    51,194.18/70,136.45 = 49,276.64/x
  3. Step 3: Cross multiply
    51,194.18x = 70,136.45 × 49,276.64
  4. Step 4: Simplify right side
    51,194.18x = 3,456,088,597.53
  5. Step 5: Solve for x
    x = 3,456,088,597.53/51,194.18
  6. Step 6: Final answer
    x = 67,509.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.