Home / 90,202.71-124,477.86-49,914.07

Finding the Fourth Proportional to 90,202.71, 124,477.86 and 49,914.07

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Solution

The fourth proportional to 90,202.71, 124,477.86 and 49,914.07 is: 68,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.71 : 124,477.86 = 49,914.07 : x
  2. Step 2: Convert to fraction form
    90,202.71/124,477.86 = 49,914.07/x
  3. Step 3: Cross multiply
    90,202.71x = 124,477.86 × 49,914.07
  4. Step 4: Simplify right side
    90,202.71x = 6,213,197,193.66
  5. Step 5: Solve for x
    x = 6,213,197,193.66/90,202.71
  6. Step 6: Final answer
    x = 68,880.38

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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.