Home / 75,139.50-103,693.23-41,606.22

Finding the Fourth Proportional to 75,139.50, 103,693.23 and 41,606.22

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Solution

The fourth proportional to 75,139.50, 103,693.23 and 41,606.22 is: 57,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139.50 : 103,693.23 = 41,606.22 : x
  2. Step 2: Convert to fraction form
    75,139.50/103,693.23 = 41,606.22/x
  3. Step 3: Cross multiply
    75,139.50x = 103,693.23 × 41,606.22
  4. Step 4: Simplify right side
    75,139.50x = 4,314,283,339.89
  5. Step 5: Solve for x
    x = 4,314,283,339.89/75,139.50
  6. Step 6: Final answer
    x = 57,416.98

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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.