Home / 96,921.40-133,731.92-56,627.36

Finding the Fourth Proportional to 96,921.40, 133,731.92 and 56,627.36

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Solution

The fourth proportional to 96,921.40, 133,731.92 and 56,627.36 is: 78,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,921.40 : 133,731.92 = 56,627.36 : x
  2. Step 2: Convert to fraction form
    96,921.40/133,731.92 = 56,627.36/x
  3. Step 3: Cross multiply
    96,921.40x = 133,731.92 × 56,627.36
  4. Step 4: Simplify right side
    96,921.40x = 7,572,885,577.33
  5. Step 5: Solve for x
    x = 7,572,885,577.33/96,921.40
  6. Step 6: Final answer
    x = 78,134.30

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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.