Home / 87,603.07-130,924.52-63,960.42

Finding the Fourth Proportional to 87,603.07, 130,924.52 and 63,960.42

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Solution

The fourth proportional to 87,603.07, 130,924.52 and 63,960.42 is: 95,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,603.07 : 130,924.52 = 63,960.42 : x
  2. Step 2: Convert to fraction form
    87,603.07/130,924.52 = 63,960.42/x
  3. Step 3: Cross multiply
    87,603.07x = 130,924.52 × 63,960.42
  4. Step 4: Simplify right side
    87,603.07x = 8,373,986,313.07
  5. Step 5: Solve for x
    x = 8,373,986,313.07/87,603.07
  6. Step 6: Final answer
    x = 95,590.11

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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.