Home / 117,041.23-161,515.75-63,325.07

Finding the Fourth Proportional to 117,041.23, 161,515.75 and 63,325.07

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Solution

The fourth proportional to 117,041.23, 161,515.75 and 63,325.07 is: 87,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,041.23 : 161,515.75 = 63,325.07 : x
  2. Step 2: Convert to fraction form
    117,041.23/161,515.75 = 63,325.07/x
  3. Step 3: Cross multiply
    117,041.23x = 161,515.75 × 63,325.07
  4. Step 4: Simplify right side
    117,041.23x = 10,227,995,612.75
  5. Step 5: Solve for x
    x = 10,227,995,612.75/117,041.23
  6. Step 6: Final answer
    x = 87,387.97

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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.