Home / 99,496.48-148,516.76-87,687.04

Finding the Fourth Proportional to 99,496.48, 148,516.76 and 87,687.04

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Solution

The fourth proportional to 99,496.48, 148,516.76 and 87,687.04 is: 130,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.48 : 148,516.76 = 87,687.04 : x
  2. Step 2: Convert to fraction form
    99,496.48/148,516.76 = 87,687.04/x
  3. Step 3: Cross multiply
    99,496.48x = 148,516.76 × 87,687.04
  4. Step 4: Simplify right side
    99,496.48x = 13,022,995,074.79
  5. Step 5: Solve for x
    x = 13,022,995,074.79/99,496.48
  6. Step 6: Final answer
    x = 130,889.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.