Home / 90,528.36-124,929.41-50,242.22

Finding the Fourth Proportional to 90,528.36, 124,929.41 and 50,242.22

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Solution

The fourth proportional to 90,528.36, 124,929.41 and 50,242.22 is: 69,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.36 : 124,929.41 = 50,242.22 : x
  2. Step 2: Convert to fraction form
    90,528.36/124,929.41 = 50,242.22/x
  3. Step 3: Cross multiply
    90,528.36x = 124,929.41 × 50,242.22
  4. Step 4: Simplify right side
    90,528.36x = 6,276,731,620.96
  5. Step 5: Solve for x
    x = 6,276,731,620.96/90,528.36
  6. Step 6: Final answer
    x = 69,334.42

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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.