Home / 96,312.60-133,043.58-87,370.20

Finding the Fourth Proportional to 96,312.60, 133,043.58 and 87,370.20

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Solution

The fourth proportional to 96,312.60, 133,043.58 and 87,370.20 is: 120,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.60 : 133,043.58 = 87,370.20 : x
  2. Step 2: Convert to fraction form
    96,312.60/133,043.58 = 87,370.20/x
  3. Step 3: Cross multiply
    96,312.60x = 133,043.58 × 87,370.20
  4. Step 4: Simplify right side
    96,312.60x = 11,624,044,193.32
  5. Step 5: Solve for x
    x = 11,624,044,193.32/96,312.60
  6. Step 6: Final answer
    x = 120,690.79

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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.