Home / 94,189.50-129,923.82-55,923.06

Finding the Fourth Proportional to 94,189.50, 129,923.82 and 55,923.06

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Solution

The fourth proportional to 94,189.50, 129,923.82 and 55,923.06 is: 77,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.50 : 129,923.82 = 55,923.06 : x
  2. Step 2: Convert to fraction form
    94,189.50/129,923.82 = 55,923.06/x
  3. Step 3: Cross multiply
    94,189.50x = 129,923.82 × 55,923.06
  4. Step 4: Simplify right side
    94,189.50x = 7,265,737,581.29
  5. Step 5: Solve for x
    x = 7,265,737,581.29/94,189.50
  6. Step 6: Final answer
    x = 77,139.57

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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.