Home / 117,633.47-162,315.92-69,885.59

Finding the Fourth Proportional to 117,633.47, 162,315.92 and 69,885.59

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Solution

The fourth proportional to 117,633.47, 162,315.92 and 69,885.59 is: 96,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,633.47 : 162,315.92 = 69,885.59 : x
  2. Step 2: Convert to fraction form
    117,633.47/162,315.92 = 69,885.59/x
  3. Step 3: Cross multiply
    117,633.47x = 162,315.92 × 69,885.59
  4. Step 4: Simplify right side
    117,633.47x = 11,343,543,486.16
  5. Step 5: Solve for x
    x = 11,343,543,486.16/117,633.47
  6. Step 6: Final answer
    x = 96,431.26

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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.