Home / 63,529.10-87,686.11-43,145.66

Finding the Fourth Proportional to 63,529.10, 87,686.11 and 43,145.66

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Solution

The fourth proportional to 63,529.10, 87,686.11 and 43,145.66 is: 59,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,529.10 : 87,686.11 = 43,145.66 : x
  2. Step 2: Convert to fraction form
    63,529.10/87,686.11 = 43,145.66/x
  3. Step 3: Cross multiply
    63,529.10x = 87,686.11 × 43,145.66
  4. Step 4: Simplify right side
    63,529.10x = 3,783,275,088.78
  5. Step 5: Solve for x
    x = 3,783,275,088.78/63,529.10
  6. Step 6: Final answer
    x = 59,551.84

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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.