Home / 75,110.40-112,622.94-30,685.14

Finding the Fourth Proportional to 75,110.40, 112,622.94 and 30,685.14

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Solution

The fourth proportional to 75,110.40, 112,622.94 and 30,685.14 is: 46,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.40 : 112,622.94 = 30,685.14 : x
  2. Step 2: Convert to fraction form
    75,110.40/112,622.94 = 30,685.14/x
  3. Step 3: Cross multiply
    75,110.40x = 112,622.94 × 30,685.14
  4. Step 4: Simplify right side
    75,110.40x = 3,455,850,681.11
  5. Step 5: Solve for x
    x = 3,455,850,681.11/75,110.40
  6. Step 6: Final answer
    x = 46,010.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.