Home / 90,197.56-124,477.08-54,399.16

Finding the Fourth Proportional to 90,197.56, 124,477.08 and 54,399.16

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Solution

The fourth proportional to 90,197.56, 124,477.08 and 54,399.16 is: 75,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,197.56 : 124,477.08 = 54,399.16 : x
  2. Step 2: Convert to fraction form
    90,197.56/124,477.08 = 54,399.16/x
  3. Step 3: Cross multiply
    90,197.56x = 124,477.08 × 54,399.16
  4. Step 4: Simplify right side
    90,197.56x = 6,771,448,591.25
  5. Step 5: Solve for x
    x = 6,771,448,591.25/90,197.56
  6. Step 6: Final answer
    x = 75,073.52

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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.