Home / 90,153.33-124,410.96-53,871.33

Finding the Fourth Proportional to 90,153.33, 124,410.96 and 53,871.33

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Solution

The fourth proportional to 90,153.33, 124,410.96 and 53,871.33 is: 74,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153.33 : 124,410.96 = 53,871.33 : x
  2. Step 2: Convert to fraction form
    90,153.33/124,410.96 = 53,871.33/x
  3. Step 3: Cross multiply
    90,153.33x = 124,410.96 × 53,871.33
  4. Step 4: Simplify right side
    90,153.33x = 6,702,183,881.78
  5. Step 5: Solve for x
    x = 6,702,183,881.78/90,153.33
  6. Step 6: Final answer
    x = 74,342.06

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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.