Home / 66,637.50-91,958.35-36,423.04

Finding the Fourth Proportional to 66,637.50, 91,958.35 and 36,423.04

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Solution

The fourth proportional to 66,637.50, 91,958.35 and 36,423.04 is: 50,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.50 : 91,958.35 = 36,423.04 : x
  2. Step 2: Convert to fraction form
    66,637.50/91,958.35 = 36,423.04/x
  3. Step 3: Cross multiply
    66,637.50x = 91,958.35 × 36,423.04
  4. Step 4: Simplify right side
    66,637.50x = 3,349,402,660.38
  5. Step 5: Solve for x
    x = 3,349,402,660.38/66,637.50
  6. Step 6: Final answer
    x = 50,263.03

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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.