Home / 90,490.42-124,877.07-50,204.98

Finding the Fourth Proportional to 90,490.42, 124,877.07 and 50,204.98

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Solution

The fourth proportional to 90,490.42, 124,877.07 and 50,204.98 is: 69,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,490.42 : 124,877.07 = 50,204.98 : x
  2. Step 2: Convert to fraction form
    90,490.42/124,877.07 = 50,204.98/x
  3. Step 3: Cross multiply
    90,490.42x = 124,877.07 × 50,204.98
  4. Step 4: Simplify right side
    90,490.42x = 6,269,450,801.81
  5. Step 5: Solve for x
    x = 6,269,450,801.81/90,490.42
  6. Step 6: Final answer
    x = 69,283.03

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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.