Home / 62,921.96-94,441.28-31,779.08

Finding the Fourth Proportional to 62,921.96, 94,441.28 and 31,779.08

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Solution

The fourth proportional to 62,921.96, 94,441.28 and 31,779.08 is: 47,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.96 : 94,441.28 = 31,779.08 : x
  2. Step 2: Convert to fraction form
    62,921.96/94,441.28 = 31,779.08/x
  3. Step 3: Cross multiply
    62,921.96x = 94,441.28 × 31,779.08
  4. Step 4: Simplify right side
    62,921.96x = 3,001,256,992.42
  5. Step 5: Solve for x
    x = 3,001,256,992.42/62,921.96
  6. Step 6: Final answer
    x = 47,698.08

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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.