Home / 75,429.18-112,971.53-36,013.97

Finding the Fourth Proportional to 75,429.18, 112,971.53 and 36,013.97

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Solution

The fourth proportional to 75,429.18, 112,971.53 and 36,013.97 is: 53,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.18 : 112,971.53 = 36,013.97 : x
  2. Step 2: Convert to fraction form
    75,429.18/112,971.53 = 36,013.97/x
  3. Step 3: Cross multiply
    75,429.18x = 112,971.53 × 36,013.97
  4. Step 4: Simplify right side
    75,429.18x = 4,068,552,547.35
  5. Step 5: Solve for x
    x = 4,068,552,547.35/75,429.18
  6. Step 6: Final answer
    x = 53,938.71

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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.