Home / 118,748.36-163,869.07-65,032.00

Finding the Fourth Proportional to 118,748.36, 163,869.07 and 65,032.00

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Solution

The fourth proportional to 118,748.36, 163,869.07 and 65,032.00 is: 89,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,748.36 : 163,869.07 = 65,032.00 : x
  2. Step 2: Convert to fraction form
    118,748.36/163,869.07 = 65,032.00/x
  3. Step 3: Cross multiply
    118,748.36x = 163,869.07 × 65,032.00
  4. Step 4: Simplify right side
    118,748.36x = 10,656,732,215.73
  5. Step 5: Solve for x
    x = 10,656,732,215.73/118,748.36
  6. Step 6: Final answer
    x = 89,742.14

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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.