Home / 86,127.44-129,077.76-46,141.79

Finding the Fourth Proportional to 86,127.44, 129,077.76 and 46,141.79

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Solution

The fourth proportional to 86,127.44, 129,077.76 and 46,141.79 is: 69,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.44 : 129,077.76 = 46,141.79 : x
  2. Step 2: Convert to fraction form
    86,127.44/129,077.76 = 46,141.79/x
  3. Step 3: Cross multiply
    86,127.44x = 129,077.76 × 46,141.79
  4. Step 4: Simplify right side
    86,127.44x = 5,955,878,895.59
  5. Step 5: Solve for x
    x = 5,955,878,895.59/86,127.44
  6. Step 6: Final answer
    x = 69,151.93

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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.