Home / 61,985.24-85,539.75-33,690.86

Finding the Fourth Proportional to 61,985.24, 85,539.75 and 33,690.86

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Solution

The fourth proportional to 61,985.24, 85,539.75 and 33,690.86 is: 46,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,985.24 : 85,539.75 = 33,690.86 : x
  2. Step 2: Convert to fraction form
    61,985.24/85,539.75 = 33,690.86/x
  3. Step 3: Cross multiply
    61,985.24x = 85,539.75 × 33,690.86
  4. Step 4: Simplify right side
    61,985.24x = 2,881,907,741.69
  5. Step 5: Solve for x
    x = 2,881,907,741.69/61,985.24
  6. Step 6: Final answer
    x = 46,493.45

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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.