Home / 61,810.12-85,266.57-39,110.86

Finding the Fourth Proportional to 61,810.12, 85,266.57 and 39,110.86

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Solution

The fourth proportional to 61,810.12, 85,266.57 and 39,110.86 is: 53,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,810.12 : 85,266.57 = 39,110.86 : x
  2. Step 2: Convert to fraction form
    61,810.12/85,266.57 = 39,110.86/x
  3. Step 3: Cross multiply
    61,810.12x = 85,266.57 × 39,110.86
  4. Step 4: Simplify right side
    61,810.12x = 3,334,848,881.95
  5. Step 5: Solve for x
    x = 3,334,848,881.95/61,810.12
  6. Step 6: Final answer
    x = 53,953.12

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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.