Home / 117,931.48-162,723.20-69,548.63

Finding the Fourth Proportional to 117,931.48, 162,723.20 and 69,548.63

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Solution

The fourth proportional to 117,931.48, 162,723.20 and 69,548.63 is: 95,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,931.48 : 162,723.20 = 69,548.63 : x
  2. Step 2: Convert to fraction form
    117,931.48/162,723.20 = 69,548.63/x
  3. Step 3: Cross multiply
    117,931.48x = 162,723.20 × 69,548.63
  4. Step 4: Simplify right side
    117,931.48x = 11,317,174,467.86
  5. Step 5: Solve for x
    x = 11,317,174,467.86/117,931.48
  6. Step 6: Final answer
    x = 95,963.98

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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.