Home / 75,173.19-112,750.06-35,755.35

Finding the Fourth Proportional to 75,173.19, 112,750.06 and 35,755.35

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Solution

The fourth proportional to 75,173.19, 112,750.06 and 35,755.35 is: 53,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173.19 : 112,750.06 = 35,755.35 : x
  2. Step 2: Convert to fraction form
    75,173.19/112,750.06 = 35,755.35/x
  3. Step 3: Cross multiply
    75,173.19x = 112,750.06 × 35,755.35
  4. Step 4: Simplify right side
    75,173.19x = 4,031,417,857.82
  5. Step 5: Solve for x
    x = 4,031,417,857.82/75,173.19
  6. Step 6: Final answer
    x = 53,628.40

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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.