Home / 53,267.77-73,507.03-30,590.78

Finding the Fourth Proportional to 53,267.77, 73,507.03 and 30,590.78

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Solution

The fourth proportional to 53,267.77, 73,507.03 and 30,590.78 is: 42,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.77 : 73,507.03 = 30,590.78 : x
  2. Step 2: Convert to fraction form
    53,267.77/73,507.03 = 30,590.78/x
  3. Step 3: Cross multiply
    53,267.77x = 73,507.03 × 30,590.78
  4. Step 4: Simplify right side
    53,267.77x = 2,248,636,939.17
  5. Step 5: Solve for x
    x = 2,248,636,939.17/53,267.77
  6. Step 6: Final answer
    x = 42,213.84

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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.