Home / 117,875.43-162,681.95-66,201.02

Finding the Fourth Proportional to 117,875.43, 162,681.95 and 66,201.02

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Solution

The fourth proportional to 117,875.43, 162,681.95 and 66,201.02 is: 91,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875.43 : 162,681.95 = 66,201.02 : x
  2. Step 2: Convert to fraction form
    117,875.43/162,681.95 = 66,201.02/x
  3. Step 3: Cross multiply
    117,875.43x = 162,681.95 × 66,201.02
  4. Step 4: Simplify right side
    117,875.43x = 10,769,711,025.59
  5. Step 5: Solve for x
    x = 10,769,711,025.59/117,875.43
  6. Step 6: Final answer
    x = 91,365.19

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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.