Home / 104,465.12-144,161.04-56,717.50

Finding the Fourth Proportional to 104,465.12, 144,161.04 and 56,717.50

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Solution

The fourth proportional to 104,465.12, 144,161.04 and 56,717.50 is: 78,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.12 : 144,161.04 = 56,717.50 : x
  2. Step 2: Convert to fraction form
    104,465.12/144,161.04 = 56,717.50/x
  3. Step 3: Cross multiply
    104,465.12x = 144,161.04 × 56,717.50
  4. Step 4: Simplify right side
    104,465.12x = 8,176,453,786.20
  5. Step 5: Solve for x
    x = 8,176,453,786.20/104,465.12
  6. Step 6: Final answer
    x = 78,269.70

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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.