Home / 79,717.08-119,582.50-20,552.24

Finding the Fourth Proportional to 79,717.08, 119,582.50 and 20,552.24

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Solution

The fourth proportional to 79,717.08, 119,582.50 and 20,552.24 is: 30,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.08 : 119,582.50 = 20,552.24 : x
  2. Step 2: Convert to fraction form
    79,717.08/119,582.50 = 20,552.24/x
  3. Step 3: Cross multiply
    79,717.08x = 119,582.50 × 20,552.24
  4. Step 4: Simplify right side
    79,717.08x = 2,457,688,239.80
  5. Step 5: Solve for x
    x = 2,457,688,239.80/79,717.08
  6. Step 6: Final answer
    x = 30,830.13

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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.