Home / 53,269.84-79,780.24-42,101.56

Finding the Fourth Proportional to 53,269.84, 79,780.24 and 42,101.56

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Solution

The fourth proportional to 53,269.84, 79,780.24 and 42,101.56 is: 63,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.84 : 79,780.24 = 42,101.56 : x
  2. Step 2: Convert to fraction form
    53,269.84/79,780.24 = 42,101.56/x
  3. Step 3: Cross multiply
    53,269.84x = 79,780.24 × 42,101.56
  4. Step 4: Simplify right side
    53,269.84x = 3,358,872,561.17
  5. Step 5: Solve for x
    x = 3,358,872,561.17/53,269.84
  6. Step 6: Final answer
    x = 63,053.93

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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.