Home / 91,071.57-125,680.98-50,784.94

Finding the Fourth Proportional to 91,071.57, 125,680.98 and 50,784.94

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Solution

The fourth proportional to 91,071.57, 125,680.98 and 50,784.94 is: 70,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.57 : 125,680.98 = 50,784.94 : x
  2. Step 2: Convert to fraction form
    91,071.57/125,680.98 = 50,784.94/x
  3. Step 3: Cross multiply
    91,071.57x = 125,680.98 × 50,784.94
  4. Step 4: Simplify right side
    91,071.57x = 6,382,701,028.44
  5. Step 5: Solve for x
    x = 6,382,701,028.44/91,071.57
  6. Step 6: Final answer
    x = 70,084.45

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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.