Home / 61,707.12-85,155.86-34,855.36

Finding the Fourth Proportional to 61,707.12, 85,155.86 and 34,855.36

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Solution

The fourth proportional to 61,707.12, 85,155.86 and 34,855.36 is: 48,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.12 : 85,155.86 = 34,855.36 : x
  2. Step 2: Convert to fraction form
    61,707.12/85,155.86 = 34,855.36/x
  3. Step 3: Cross multiply
    61,707.12x = 85,155.86 × 34,855.36
  4. Step 4: Simplify right side
    61,707.12x = 2,968,138,156.41
  5. Step 5: Solve for x
    x = 2,968,138,156.41/61,707.12
  6. Step 6: Final answer
    x = 48,100.42

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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.