Home / 96,170.50-132,712.86-53,729.34

Finding the Fourth Proportional to 96,170.50, 132,712.86 and 53,729.34

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Solution

The fourth proportional to 96,170.50, 132,712.86 and 53,729.34 is: 74,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,170.50 : 132,712.86 = 53,729.34 : x
  2. Step 2: Convert to fraction form
    96,170.50/132,712.86 = 53,729.34/x
  3. Step 3: Cross multiply
    96,170.50x = 132,712.86 × 53,729.34
  4. Step 4: Simplify right side
    96,170.50x = 7,130,574,377.31
  5. Step 5: Solve for x
    x = 7,130,574,377.31/96,170.50
  6. Step 6: Final answer
    x = 74,145.13

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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.