Home / 117,125.48-161,634.04-63,411.40

Finding the Fourth Proportional to 117,125.48, 161,634.04 and 63,411.40

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Solution

The fourth proportional to 117,125.48, 161,634.04 and 63,411.40 is: 87,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.48 : 161,634.04 = 63,411.40 : x
  2. Step 2: Convert to fraction form
    117,125.48/161,634.04 = 63,411.40/x
  3. Step 3: Cross multiply
    117,125.48x = 161,634.04 × 63,411.40
  4. Step 4: Simplify right side
    117,125.48x = 10,249,440,764.06
  5. Step 5: Solve for x
    x = 10,249,440,764.06/117,125.48
  6. Step 6: Final answer
    x = 87,508.21

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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.