Home / 67,496.40-93,129.12-39,185.28

Finding the Fourth Proportional to 67,496.40, 93,129.12 and 39,185.28

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Solution

The fourth proportional to 67,496.40, 93,129.12 and 39,185.28 is: 54,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,496.40 : 93,129.12 = 39,185.28 : x
  2. Step 2: Convert to fraction form
    67,496.40/93,129.12 = 39,185.28/x
  3. Step 3: Cross multiply
    67,496.40x = 93,129.12 × 39,185.28
  4. Step 4: Simplify right side
    67,496.40x = 3,649,290,643.35
  5. Step 5: Solve for x
    x = 3,649,290,643.35/67,496.40
  6. Step 6: Final answer
    x = 54,066.45

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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.