Home / 67,862.48-93,617.75-40,619.98

Finding the Fourth Proportional to 67,862.48, 93,617.75 and 40,619.98

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Solution

The fourth proportional to 67,862.48, 93,617.75 and 40,619.98 is: 56,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,862.48 : 93,617.75 = 40,619.98 : x
  2. Step 2: Convert to fraction form
    67,862.48/93,617.75 = 40,619.98/x
  3. Step 3: Cross multiply
    67,862.48x = 93,617.75 × 40,619.98
  4. Step 4: Simplify right side
    67,862.48x = 3,802,751,132.65
  5. Step 5: Solve for x
    x = 3,802,751,132.65/67,862.48
  6. Step 6: Final answer
    x = 56,036.14

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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.