Home / 90,966.00-124,623.88-87,556.98

Finding the Fourth Proportional to 90,966.00, 124,623.88 and 87,556.98

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Solution

The fourth proportional to 90,966.00, 124,623.88 and 87,556.98 is: 119,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.00 : 124,623.88 = 87,556.98 : x
  2. Step 2: Convert to fraction form
    90,966.00/124,623.88 = 87,556.98/x
  3. Step 3: Cross multiply
    90,966.00x = 124,623.88 × 87,556.98
  4. Step 4: Simplify right side
    90,966.00x = 10,911,691,309.64
  5. Step 5: Solve for x
    x = 10,911,691,309.64/90,966.00
  6. Step 6: Final answer
    x = 119,953.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.