Home / 104,528.50-144,251.98-56,781.86

Finding the Fourth Proportional to 104,528.50, 144,251.98 and 56,781.86

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Solution

The fourth proportional to 104,528.50, 144,251.98 and 56,781.86 is: 78,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,528.50 : 144,251.98 = 56,781.86 : x
  2. Step 2: Convert to fraction form
    104,528.50/144,251.98 = 56,781.86/x
  3. Step 3: Cross multiply
    104,528.50x = 144,251.98 × 56,781.86
  4. Step 4: Simplify right side
    104,528.50x = 8,190,895,733.08
  5. Step 5: Solve for x
    x = 8,190,895,733.08/104,528.50
  6. Step 6: Final answer
    x = 78,360.41

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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.