Home / 66,177.27-91,320.35-37,503.05

Finding the Fourth Proportional to 66,177.27, 91,320.35 and 37,503.05

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Solution

The fourth proportional to 66,177.27, 91,320.35 and 37,503.05 is: 51,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,177.27 : 91,320.35 = 37,503.05 : x
  2. Step 2: Convert to fraction form
    66,177.27/91,320.35 = 37,503.05/x
  3. Step 3: Cross multiply
    66,177.27x = 91,320.35 × 37,503.05
  4. Step 4: Simplify right side
    66,177.27x = 3,424,791,007.95
  5. Step 5: Solve for x
    x = 3,424,791,007.95/66,177.27
  6. Step 6: Final answer
    x = 51,751.77

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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.