Home / 75,346.76-103,981.79-45,137

Finding the Fourth Proportional to 75,346.76, 103,981.79 and 45,137

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Solution

The fourth proportional to 75,346.76, 103,981.79 and 45,137 is: 62,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.76 : 103,981.79 = 45,137 : x
  2. Step 2: Convert to fraction form
    75,346.76/103,981.79 = 45,137/x
  3. Step 3: Cross multiply
    75,346.76x = 103,981.79 × 45,137
  4. Step 4: Simplify right side
    75,346.76x = 4,693,426,055.23
  5. Step 5: Solve for x
    x = 4,693,426,055.23/75,346.76
  6. Step 6: Final answer
    x = 62,291.01

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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.