Home / 90,771.77-125,264.34-49,935.02

Finding the Fourth Proportional to 90,771.77, 125,264.34 and 49,935.02

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Solution

The fourth proportional to 90,771.77, 125,264.34 and 49,935.02 is: 68,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771.77 : 125,264.34 = 49,935.02 : x
  2. Step 2: Convert to fraction form
    90,771.77/125,264.34 = 49,935.02/x
  3. Step 3: Cross multiply
    90,771.77x = 125,264.34 × 49,935.02
  4. Step 4: Simplify right side
    90,771.77x = 6,255,076,696.87
  5. Step 5: Solve for x
    x = 6,255,076,696.87/90,771.77
  6. Step 6: Final answer
    x = 68,909.93

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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.