Home / 117,325.48-162,042.80-79,534.12

Finding the Fourth Proportional to 117,325.48, 162,042.80 and 79,534.12

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Solution

The fourth proportional to 117,325.48, 162,042.80 and 79,534.12 is: 109,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.48 : 162,042.80 = 79,534.12 : x
  2. Step 2: Convert to fraction form
    117,325.48/162,042.80 = 79,534.12/x
  3. Step 3: Cross multiply
    117,325.48x = 162,042.80 × 79,534.12
  4. Step 4: Simplify right side
    117,325.48x = 12,887,931,500.34
  5. Step 5: Solve for x
    x = 12,887,931,500.34/117,325.48
  6. Step 6: Final answer
    x = 109,847.68

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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.