Home / 75,040.13-103,555.59-41,506.13

Finding the Fourth Proportional to 75,040.13, 103,555.59 and 41,506.13

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Solution

The fourth proportional to 75,040.13, 103,555.59 and 41,506.13 is: 57,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,040.13 : 103,555.59 = 41,506.13 : x
  2. Step 2: Convert to fraction form
    75,040.13/103,555.59 = 41,506.13/x
  3. Step 3: Cross multiply
    75,040.13x = 103,555.59 × 41,506.13
  4. Step 4: Simplify right side
    75,040.13x = 4,298,191,780.77
  5. Step 5: Solve for x
    x = 4,298,191,780.77/75,040.13
  6. Step 6: Final answer
    x = 57,278.58

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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.