Home / 76,935.16-106,166.42-43,399

Finding the Fourth Proportional to 76,935.16, 106,166.42 and 43,399

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Solution

The fourth proportional to 76,935.16, 106,166.42 and 43,399 is: 59,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.16 : 106,166.42 = 43,399 : x
  2. Step 2: Convert to fraction form
    76,935.16/106,166.42 = 43,399/x
  3. Step 3: Cross multiply
    76,935.16x = 106,166.42 × 43,399
  4. Step 4: Simplify right side
    76,935.16x = 4,607,516,461.58
  5. Step 5: Solve for x
    x = 4,607,516,461.58/76,935.16
  6. Step 6: Final answer
    x = 59,888.31

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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.