Home / 79,518.22-119,264.81-66,095.59

Finding the Fourth Proportional to 79,518.22, 119,264.81 and 66,095.59

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Solution

The fourth proportional to 79,518.22, 119,264.81 and 66,095.59 is: 99,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,518.22 : 119,264.81 = 66,095.59 : x
  2. Step 2: Convert to fraction form
    79,518.22/119,264.81 = 66,095.59/x
  3. Step 3: Cross multiply
    79,518.22x = 119,264.81 × 66,095.59
  4. Step 4: Simplify right side
    79,518.22x = 7,882,877,056.39
  5. Step 5: Solve for x
    x = 7,882,877,056.39/79,518.22
  6. Step 6: Final answer
    x = 99,132.97

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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.