Home / 117,739.95-162,484.20-64,028.10

Finding the Fourth Proportional to 117,739.95, 162,484.20 and 64,028.10

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Solution

The fourth proportional to 117,739.95, 162,484.20 and 64,028.10 is: 88,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,739.95 : 162,484.20 = 64,028.10 : x
  2. Step 2: Convert to fraction form
    117,739.95/162,484.20 = 64,028.10/x
  3. Step 3: Cross multiply
    117,739.95x = 162,484.20 × 64,028.10
  4. Step 4: Simplify right side
    117,739.95x = 10,403,554,606.02
  5. Step 5: Solve for x
    x = 10,403,554,606.02/117,739.95
  6. Step 6: Final answer
    x = 88,360.45

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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.