Home / 68,118.93-94,030.28-51,172.33

Finding the Fourth Proportional to 68,118.93, 94,030.28 and 51,172.33

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Solution

The fourth proportional to 68,118.93, 94,030.28 and 51,172.33 is: 70,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,118.93 : 94,030.28 = 51,172.33 : x
  2. Step 2: Convert to fraction form
    68,118.93/94,030.28 = 51,172.33/x
  3. Step 3: Cross multiply
    68,118.93x = 94,030.28 × 51,172.33
  4. Step 4: Simplify right side
    68,118.93x = 4,811,748,763.62
  5. Step 5: Solve for x
    x = 4,811,748,763.62/68,118.93
  6. Step 6: Final answer
    x = 70,637.46

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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.