Home / 87,582.09-131,373.06-28,417.77

Finding the Fourth Proportional to 87,582.09, 131,373.06 and 28,417.77

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Solution

The fourth proportional to 87,582.09, 131,373.06 and 28,417.77 is: 42,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.09 : 131,373.06 = 28,417.77 : x
  2. Step 2: Convert to fraction form
    87,582.09/131,373.06 = 28,417.77/x
  3. Step 3: Cross multiply
    87,582.09x = 131,373.06 × 28,417.77
  4. Step 4: Simplify right side
    87,582.09x = 3,733,329,403.28
  5. Step 5: Solve for x
    x = 3,733,329,403.28/87,582.09
  6. Step 6: Final answer
    x = 42,626.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.