Home / 69,437.66-104,116.39-61,134.35

Finding the Fourth Proportional to 69,437.66, 104,116.39 and 61,134.35

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Solution

The fourth proportional to 69,437.66, 104,116.39 and 61,134.35 is: 91,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.66 : 104,116.39 = 61,134.35 : x
  2. Step 2: Convert to fraction form
    69,437.66/104,116.39 = 61,134.35/x
  3. Step 3: Cross multiply
    69,437.66x = 104,116.39 × 61,134.35
  4. Step 4: Simplify right side
    69,437.66x = 6,365,087,153.58
  5. Step 5: Solve for x
    x = 6,365,087,153.58/69,437.66
  6. Step 6: Final answer
    x = 91,666.22

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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.