Home / 63,458.08-87,570.64-34,776.79

Finding the Fourth Proportional to 63,458.08, 87,570.64 and 34,776.79

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Solution

The fourth proportional to 63,458.08, 87,570.64 and 34,776.79 is: 47,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,458.08 : 87,570.64 = 34,776.79 : x
  2. Step 2: Convert to fraction form
    63,458.08/87,570.64 = 34,776.79/x
  3. Step 3: Cross multiply
    63,458.08x = 87,570.64 × 34,776.79
  4. Step 4: Simplify right side
    63,458.08x = 3,045,425,757.45
  5. Step 5: Solve for x
    x = 3,045,425,757.45/63,458.08
  6. Step 6: Final answer
    x = 47,991.14

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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.