Home / 87,293.07-120,461.04-53,358.38

Finding the Fourth Proportional to 87,293.07, 120,461.04 and 53,358.38

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Solution

The fourth proportional to 87,293.07, 120,461.04 and 53,358.38 is: 73,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,293.07 : 120,461.04 = 53,358.38 : x
  2. Step 2: Convert to fraction form
    87,293.07/120,461.04 = 53,358.38/x
  3. Step 3: Cross multiply
    87,293.07x = 120,461.04 × 53,358.38
  4. Step 4: Simplify right side
    87,293.07x = 6,427,605,947.52
  5. Step 5: Solve for x
    x = 6,427,605,947.52/87,293.07
  6. Step 6: Final answer
    x = 73,632.49

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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.