Home / 75,259.63-103,857.35-43,427.85

Finding the Fourth Proportional to 75,259.63, 103,857.35 and 43,427.85

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Solution

The fourth proportional to 75,259.63, 103,857.35 and 43,427.85 is: 59,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,259.63 : 103,857.35 = 43,427.85 : x
  2. Step 2: Convert to fraction form
    75,259.63/103,857.35 = 43,427.85/x
  3. Step 3: Cross multiply
    75,259.63x = 103,857.35 × 43,427.85
  4. Step 4: Simplify right side
    75,259.63x = 4,510,301,417.20
  5. Step 5: Solve for x
    x = 4,510,301,417.20/75,259.63
  6. Step 6: Final answer
    x = 59,929.89

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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.