Home / 94,190.84-129,986.13-53,917.55

Finding the Fourth Proportional to 94,190.84, 129,986.13 and 53,917.55

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Solution

The fourth proportional to 94,190.84, 129,986.13 and 53,917.55 is: 74,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,190.84 : 129,986.13 = 53,917.55 : x
  2. Step 2: Convert to fraction form
    94,190.84/129,986.13 = 53,917.55/x
  3. Step 3: Cross multiply
    94,190.84x = 129,986.13 × 53,917.55
  4. Step 4: Simplify right side
    94,190.84x = 7,008,533,013.65
  5. Step 5: Solve for x
    x = 7,008,533,013.65/94,190.84
  6. Step 6: Final answer
    x = 74,407.80

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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.