Home / 96,308.60-133,038.06-87,366.20

Finding the Fourth Proportional to 96,308.60, 133,038.06 and 87,366.20

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Solution

The fourth proportional to 96,308.60, 133,038.06 and 87,366.20 is: 120,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,308.60 : 133,038.06 = 87,366.20 : x
  2. Step 2: Convert to fraction form
    96,308.60/133,038.06 = 87,366.20/x
  3. Step 3: Cross multiply
    96,308.60x = 133,038.06 × 87,366.20
  4. Step 4: Simplify right side
    96,308.60x = 11,623,029,757.57
  5. Step 5: Solve for x
    x = 11,623,029,757.57/96,308.60
  6. Step 6: Final answer
    x = 120,685.27

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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.