Home / 66,291.48-91,461.60-37,606.38

Finding the Fourth Proportional to 66,291.48, 91,461.60 and 37,606.38

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Solution

The fourth proportional to 66,291.48, 91,461.60 and 37,606.38 is: 51,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291.48 : 91,461.60 = 37,606.38 : x
  2. Step 2: Convert to fraction form
    66,291.48/91,461.60 = 37,606.38/x
  3. Step 3: Cross multiply
    66,291.48x = 91,461.60 × 37,606.38
  4. Step 4: Simplify right side
    66,291.48x = 3,439,539,685.01
  5. Step 5: Solve for x
    x = 3,439,539,685.01/66,291.48
  6. Step 6: Final answer
    x = 51,885.09

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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.