Home / 77,967.24-107,594.73-42,157.23

Finding the Fourth Proportional to 77,967.24, 107,594.73 and 42,157.23

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Solution

The fourth proportional to 77,967.24, 107,594.73 and 42,157.23 is: 58,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.24 : 107,594.73 = 42,157.23 : x
  2. Step 2: Convert to fraction form
    77,967.24/107,594.73 = 42,157.23/x
  3. Step 3: Cross multiply
    77,967.24x = 107,594.73 × 42,157.23
  4. Step 4: Simplify right side
    77,967.24x = 4,535,895,779.40
  5. Step 5: Solve for x
    x = 4,535,895,779.40/77,967.24
  6. Step 6: Final answer
    x = 58,176.94

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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.