Home / 117,577.04-162,258.05-66,588.50

Finding the Fourth Proportional to 117,577.04, 162,258.05 and 66,588.50

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Solution

The fourth proportional to 117,577.04, 162,258.05 and 66,588.50 is: 91,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577.04 : 162,258.05 = 66,588.50 : x
  2. Step 2: Convert to fraction form
    117,577.04/162,258.05 = 66,588.50/x
  3. Step 3: Cross multiply
    117,577.04x = 162,258.05 × 66,588.50
  4. Step 4: Simplify right side
    117,577.04x = 10,804,520,484.83
  5. Step 5: Solve for x
    x = 10,804,520,484.83/117,577.04
  6. Step 6: Final answer
    x = 91,893.12

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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.