Home / 53,770.86-74,209.46-30,802.51

Finding the Fourth Proportional to 53,770.86, 74,209.46 and 30,802.51

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Solution

The fourth proportional to 53,770.86, 74,209.46 and 30,802.51 is: 42,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770.86 : 74,209.46 = 30,802.51 : x
  2. Step 2: Convert to fraction form
    53,770.86/74,209.46 = 30,802.51/x
  3. Step 3: Cross multiply
    53,770.86x = 74,209.46 × 30,802.51
  4. Step 4: Simplify right side
    53,770.86x = 2,285,837,572.49
  5. Step 5: Solve for x
    x = 2,285,837,572.49/53,770.86
  6. Step 6: Final answer
    x = 42,510.71

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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.