Home / 97,772.28-134,927.76-55,330.80

Finding the Fourth Proportional to 97,772.28, 134,927.76 and 55,330.80

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Solution

The fourth proportional to 97,772.28, 134,927.76 and 55,330.80 is: 76,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,772.28 : 134,927.76 = 55,330.80 : x
  2. Step 2: Convert to fraction form
    97,772.28/134,927.76 = 55,330.80/x
  3. Step 3: Cross multiply
    97,772.28x = 134,927.76 × 55,330.80
  4. Step 4: Simplify right side
    97,772.28x = 7,465,660,903.01
  5. Step 5: Solve for x
    x = 7,465,660,903.01/97,772.28
  6. Step 6: Final answer
    x = 76,357.64

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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.