Home / 75,239.72-103,841.70-43,402.28

Finding the Fourth Proportional to 75,239.72, 103,841.70 and 43,402.28

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Solution

The fourth proportional to 75,239.72, 103,841.70 and 43,402.28 is: 59,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,239.72 : 103,841.70 = 43,402.28 : x
  2. Step 2: Convert to fraction form
    75,239.72/103,841.70 = 43,402.28/x
  3. Step 3: Cross multiply
    75,239.72x = 103,841.70 × 43,402.28
  4. Step 4: Simplify right side
    75,239.72x = 4,506,966,539.08
  5. Step 5: Solve for x
    x = 4,506,966,539.08/75,239.72
  6. Step 6: Final answer
    x = 59,901.43

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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.