Home / 87,612.29-120,898.14-53,606.67

Finding the Fourth Proportional to 87,612.29, 120,898.14 and 53,606.67

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Solution

The fourth proportional to 87,612.29, 120,898.14 and 53,606.67 is: 73,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,612.29 : 120,898.14 = 53,606.67 : x
  2. Step 2: Convert to fraction form
    87,612.29/120,898.14 = 53,606.67/x
  3. Step 3: Cross multiply
    87,612.29x = 120,898.14 × 53,606.67
  4. Step 4: Simplify right side
    87,612.29x = 6,480,946,694.59
  5. Step 5: Solve for x
    x = 6,480,946,694.59/87,612.29
  6. Step 6: Final answer
    x = 73,973.03

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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.