Home / 90,392.52-124,728.58-50,106.27

Finding the Fourth Proportional to 90,392.52, 124,728.58 and 50,106.27

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Solution

The fourth proportional to 90,392.52, 124,728.58 and 50,106.27 is: 69,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,392.52 : 124,728.58 = 50,106.27 : x
  2. Step 2: Convert to fraction form
    90,392.52/124,728.58 = 50,106.27/x
  3. Step 3: Cross multiply
    90,392.52x = 124,728.58 × 50,106.27
  4. Step 4: Simplify right side
    90,392.52x = 6,249,683,906.20
  5. Step 5: Solve for x
    x = 6,249,683,906.20/90,392.52
  6. Step 6: Final answer
    x = 69,139.39

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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.