Home / 96,138.40-132,670.21-53,117.75

Finding the Fourth Proportional to 96,138.40, 132,670.21 and 53,117.75

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Solution

The fourth proportional to 96,138.40, 132,670.21 and 53,117.75 is: 73,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138.40 : 132,670.21 = 53,117.75 : x
  2. Step 2: Convert to fraction form
    96,138.40/132,670.21 = 53,117.75/x
  3. Step 3: Cross multiply
    96,138.40x = 132,670.21 × 53,117.75
  4. Step 4: Simplify right side
    96,138.40x = 7,047,142,781.64
  5. Step 5: Solve for x
    x = 7,047,142,781.64/96,138.40
  6. Step 6: Final answer
    x = 73,302.06

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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.