Home / 66,180.58-91,330.95-37,895.38

Finding the Fourth Proportional to 66,180.58, 91,330.95 and 37,895.38

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Solution

The fourth proportional to 66,180.58, 91,330.95 and 37,895.38 is: 52,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180.58 : 91,330.95 = 37,895.38 : x
  2. Step 2: Convert to fraction form
    66,180.58/91,330.95 = 37,895.38/x
  3. Step 3: Cross multiply
    66,180.58x = 91,330.95 × 37,895.38
  4. Step 4: Simplify right side
    66,180.58x = 3,461,021,056.01
  5. Step 5: Solve for x
    x = 3,461,021,056.01/66,180.58
  6. Step 6: Final answer
    x = 52,296.63

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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.