Home / 61,769.76-85,242.40-34,912.32

Finding the Fourth Proportional to 61,769.76, 85,242.40 and 34,912.32

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Solution

The fourth proportional to 61,769.76, 85,242.40 and 34,912.32 is: 48,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,769.76 : 85,242.40 = 34,912.32 : x
  2. Step 2: Convert to fraction form
    61,769.76/85,242.40 = 34,912.32/x
  3. Step 3: Cross multiply
    61,769.76x = 85,242.40 × 34,912.32
  4. Step 4: Simplify right side
    61,769.76x = 2,976,009,946.37
  5. Step 5: Solve for x
    x = 2,976,009,946.37/61,769.76
  6. Step 6: Final answer
    x = 48,179.08

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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.