Home / 118,674.01-163,774.29-64,959.06

Finding the Fourth Proportional to 118,674.01, 163,774.29 and 64,959.06

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Solution

The fourth proportional to 118,674.01, 163,774.29 and 64,959.06 is: 89,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,674.01 : 163,774.29 = 64,959.06 : x
  2. Step 2: Convert to fraction form
    118,674.01/163,774.29 = 64,959.06/x
  3. Step 3: Cross multiply
    118,674.01x = 163,774.29 × 64,959.06
  4. Step 4: Simplify right side
    118,674.01x = 10,638,623,930.57
  5. Step 5: Solve for x
    x = 10,638,623,930.57/118,674.01
  6. Step 6: Final answer
    x = 89,645.78

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1.5x scale

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.