Home / 61,780.02-85,255.51-34,921.59

Finding the Fourth Proportional to 61,780.02, 85,255.51 and 34,921.59

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Solution

The fourth proportional to 61,780.02, 85,255.51 and 34,921.59 is: 48,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.02 : 85,255.51 = 34,921.59 : x
  2. Step 2: Convert to fraction form
    61,780.02/85,255.51 = 34,921.59/x
  3. Step 3: Cross multiply
    61,780.02x = 85,255.51 × 34,921.59
  4. Step 4: Simplify right side
    61,780.02x = 2,977,257,878.16
  5. Step 5: Solve for x
    x = 2,977,257,878.16/61,780.02
  6. Step 6: Final answer
    x = 48,191.27

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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.