Home / 88,572.30-122,249.48-56,300.61

Finding the Fourth Proportional to 88,572.30, 122,249.48 and 56,300.61

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Solution

The fourth proportional to 88,572.30, 122,249.48 and 56,300.61 is: 77,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,572.30 : 122,249.48 = 56,300.61 : x
  2. Step 2: Convert to fraction form
    88,572.30/122,249.48 = 56,300.61/x
  3. Step 3: Cross multiply
    88,572.30x = 122,249.48 × 56,300.61
  4. Step 4: Simplify right side
    88,572.30x = 6,882,720,901.78
  5. Step 5: Solve for x
    x = 6,882,720,901.78/88,572.30
  6. Step 6: Final answer
    x = 77,707.37

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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.