Home / 117,476.06-162,078.37-66,483.72

Finding the Fourth Proportional to 117,476.06, 162,078.37 and 66,483.72

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Solution

The fourth proportional to 117,476.06, 162,078.37 and 66,483.72 is: 91,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.06 : 162,078.37 = 66,483.72 : x
  2. Step 2: Convert to fraction form
    117,476.06/162,078.37 = 66,483.72/x
  3. Step 3: Cross multiply
    117,476.06x = 162,078.37 × 66,483.72
  4. Step 4: Simplify right side
    117,476.06x = 10,775,572,802.93
  5. Step 5: Solve for x
    x = 10,775,572,802.93/117,476.06
  6. Step 6: Final answer
    x = 91,725.70

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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.