Home / 77,801.06-116,701.70-21,641.18

Finding the Fourth Proportional to 77,801.06, 116,701.70 and 21,641.18

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Solution

The fourth proportional to 77,801.06, 116,701.70 and 21,641.18 is: 32,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,801.06 : 116,701.70 = 21,641.18 : x
  2. Step 2: Convert to fraction form
    77,801.06/116,701.70 = 21,641.18/x
  3. Step 3: Cross multiply
    77,801.06x = 116,701.70 × 21,641.18
  4. Step 4: Simplify right side
    77,801.06x = 2,525,561,804.29
  5. Step 5: Solve for x
    x = 2,525,561,804.29/77,801.06
  6. Step 6: Final answer
    x = 32,461.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.