Home / 109,476.96-151,088.67-68,647.59

Finding the Fourth Proportional to 109,476.96, 151,088.67 and 68,647.59

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Solution

The fourth proportional to 109,476.96, 151,088.67 and 68,647.59 is: 94,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,476.96 : 151,088.67 = 68,647.59 : x
  2. Step 2: Convert to fraction form
    109,476.96/151,088.67 = 68,647.59/x
  3. Step 3: Cross multiply
    109,476.96x = 151,088.67 × 68,647.59
  4. Step 4: Simplify right side
    109,476.96x = 10,371,873,071.81
  5. Step 5: Solve for x
    x = 10,371,873,071.81/109,476.96
  6. Step 6: Final answer
    x = 94,740.24

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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.