Home / 75,303.05-103,988.54-48,492.71

Finding the Fourth Proportional to 75,303.05, 103,988.54 and 48,492.71

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Solution

The fourth proportional to 75,303.05, 103,988.54 and 48,492.71 is: 66,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.05 : 103,988.54 = 48,492.71 : x
  2. Step 2: Convert to fraction form
    75,303.05/103,988.54 = 48,492.71/x
  3. Step 3: Cross multiply
    75,303.05x = 103,988.54 × 48,492.71
  4. Step 4: Simplify right side
    75,303.05x = 5,042,685,351.14
  5. Step 5: Solve for x
    x = 5,042,685,351.14/75,303.05
  6. Step 6: Final answer
    x = 66,965.22

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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.