Home / 117,898.09-162,701.52-64,184.01

Finding the Fourth Proportional to 117,898.09, 162,701.52 and 64,184.01

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Solution

The fourth proportional to 117,898.09, 162,701.52 and 64,184.01 is: 88,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.09 : 162,701.52 = 64,184.01 : x
  2. Step 2: Convert to fraction form
    117,898.09/162,701.52 = 64,184.01/x
  3. Step 3: Cross multiply
    117,898.09x = 162,701.52 × 64,184.01
  4. Step 4: Simplify right side
    117,898.09x = 10,442,835,815.97
  5. Step 5: Solve for x
    x = 10,442,835,815.97/117,898.09
  6. Step 6: Final answer
    x = 88,575.10

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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.