Home / 117,812.02-162,578.80-64,095.81

Finding the Fourth Proportional to 117,812.02, 162,578.80 and 64,095.81

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Solution

The fourth proportional to 117,812.02, 162,578.80 and 64,095.81 is: 88,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.02 : 162,578.80 = 64,095.81 : x
  2. Step 2: Convert to fraction form
    117,812.02/162,578.80 = 64,095.81/x
  3. Step 3: Cross multiply
    117,812.02x = 162,578.80 × 64,095.81
  4. Step 4: Simplify right side
    117,812.02x = 10,420,619,874.83
  5. Step 5: Solve for x
    x = 10,420,619,874.83/117,812.02
  6. Step 6: Final answer
    x = 88,451.25

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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.