Home / 117,689.04-162,398.74-69,933.16

Finding the Fourth Proportional to 117,689.04, 162,398.74 and 69,933.16

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Solution

The fourth proportional to 117,689.04, 162,398.74 and 69,933.16 is: 96,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,689.04 : 162,398.74 = 69,933.16 : x
  2. Step 2: Convert to fraction form
    117,689.04/162,398.74 = 69,933.16/x
  3. Step 3: Cross multiply
    117,689.04x = 162,398.74 × 69,933.16
  4. Step 4: Simplify right side
    117,689.04x = 11,357,057,068.22
  5. Step 5: Solve for x
    x = 11,357,057,068.22/117,689.04
  6. Step 6: Final answer
    x = 96,500.55

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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.