Home / 90,929.48-125,473.74-50,641.88

Finding the Fourth Proportional to 90,929.48, 125,473.74 and 50,641.88

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Solution

The fourth proportional to 90,929.48, 125,473.74 and 50,641.88 is: 69,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.48 : 125,473.74 = 50,641.88 : x
  2. Step 2: Convert to fraction form
    90,929.48/125,473.74 = 50,641.88/x
  3. Step 3: Cross multiply
    90,929.48x = 125,473.74 × 50,641.88
  4. Step 4: Simplify right side
    90,929.48x = 6,354,226,084.23
  5. Step 5: Solve for x
    x = 6,354,226,084.23/90,929.48
  6. Step 6: Final answer
    x = 69,880.81

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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.