Home / 75,080.48-103,622.69-42,815.17

Finding the Fourth Proportional to 75,080.48, 103,622.69 and 42,815.17

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Solution

The fourth proportional to 75,080.48, 103,622.69 and 42,815.17 is: 59,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.48 : 103,622.69 = 42,815.17 : x
  2. Step 2: Convert to fraction form
    75,080.48/103,622.69 = 42,815.17/x
  3. Step 3: Cross multiply
    75,080.48x = 103,622.69 × 42,815.17
  4. Step 4: Simplify right side
    75,080.48x = 4,436,623,088.21
  5. Step 5: Solve for x
    x = 4,436,623,088.21/75,080.48
  6. Step 6: Final answer
    x = 59,091.57

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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.