Home / 61,730.06-85,190.81-34,873.70

Finding the Fourth Proportional to 61,730.06, 85,190.81 and 34,873.70

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Solution

The fourth proportional to 61,730.06, 85,190.81 and 34,873.70 is: 48,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.06 : 85,190.81 = 34,873.70 : x
  2. Step 2: Convert to fraction form
    61,730.06/85,190.81 = 34,873.70/x
  3. Step 3: Cross multiply
    61,730.06x = 85,190.81 × 34,873.70
  4. Step 4: Simplify right side
    61,730.06x = 2,970,918,150.37
  5. Step 5: Solve for x
    x = 2,970,918,150.37/61,730.06
  6. Step 6: Final answer
    x = 48,127.58

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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.