Home / 75,091.40-103,637.82-42,826.08

Finding the Fourth Proportional to 75,091.40, 103,637.82 and 42,826.08

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Solution

The fourth proportional to 75,091.40, 103,637.82 and 42,826.08 is: 59,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.40 : 103,637.82 = 42,826.08 : x
  2. Step 2: Convert to fraction form
    75,091.40/103,637.82 = 42,826.08/x
  3. Step 3: Cross multiply
    75,091.40x = 103,637.82 × 42,826.08
  4. Step 4: Simplify right side
    75,091.40x = 4,438,401,570.35
  5. Step 5: Solve for x
    x = 4,438,401,570.35/75,091.40
  6. Step 6: Final answer
    x = 59,106.66

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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.