Home / 91,583.28-126,395.56-55,794.32

Finding the Fourth Proportional to 91,583.28, 126,395.56 and 55,794.32

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Solution

The fourth proportional to 91,583.28, 126,395.56 and 55,794.32 is: 77,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.28 : 126,395.56 = 55,794.32 : x
  2. Step 2: Convert to fraction form
    91,583.28/126,395.56 = 55,794.32/x
  3. Step 3: Cross multiply
    91,583.28x = 126,395.56 × 55,794.32
  4. Step 4: Simplify right side
    91,583.28x = 7,052,154,321.22
  5. Step 5: Solve for x
    x = 7,052,154,321.22/91,583.28
  6. Step 6: Final answer
    x = 77,002.64

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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.